CN113685368B - Fan monitoring system and method for circulating water field based on AES monitoring technology - Google Patents

Fan monitoring system and method for circulating water field based on AES monitoring technology Download PDF

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CN113685368B
CN113685368B CN202110823349.5A CN202110823349A CN113685368B CN 113685368 B CN113685368 B CN 113685368B CN 202110823349 A CN202110823349 A CN 202110823349A CN 113685368 B CN113685368 B CN 113685368B
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CN113685368A (en
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赖拥军
谢孔英
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Zhejiang Weike Electromechanical Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems

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Abstract

The invention relates to the technical field of intelligent management, in particular to a fan monitoring system and a fan monitoring method of a circulating water field based on an AES (advanced encryption standard) monitoring technology. The system comprises an infrastructure unit, a data processing unit, a fan management unit and a function application unit; the infrastructure unit is used for providing basic equipment and intelligent technology for supporting system operation; the data processing unit is used for calculating various state parameters related in the system operation process and the like; the fan management unit is used for regulating and controlling each group of fans connected to the system; the function application unit is used for adding various application services in the aspect of safety protection to the system. The design of the invention can carry out frequency conversion speed regulation on the fan, realize the fine regulation of air quantity, reduce the impact damage to mechanical and electrical equipment in the starting and stopping process of the fan, save electricity, provide comprehensive protection for a motor, simplify the supervision process of the fan, save manpower, material resources and time and improve the safety in the operation management process of the fan.

Description

Fan monitoring system and method for circulating water field based on AES monitoring technology
Technical Field
The invention relates to the technical field of intelligent management, in particular to a fan monitoring system and a fan monitoring method of a circulating water field based on an AES (advanced encryption standard) monitoring technology.
Background
Most chemical plants and sewage plants are equipped with circulating water fields, and a water cooling tower fan is a core device of a circulating water system. The cooling effect of the circulating water system is directly influenced by the operation effect of the fan. In principle, the operation principle of the water cooling tower is mainly to utilize the combination of air and water, and fully utilize the principle of evaporation in the process to dissipate industrial water or discharge some waste heat generated in the refrigeration process. However, because of the existence of more chemical components in the water source in the chemical plant, the operation process of the fan needs to be reasonably regulated to control the temperature of the circulating water field in order to reduce the volatilization of a large amount of chemical substances into the air in the water circulation process. However, in the current common circulating water field, there are more management problems, especially in the running process of the fan, the running revolution of the fan is inconvenient to adjust, so that the air volume cannot be accurately adjusted, the low-voltage electric appliance system is easy to fluctuate in the starting and stopping process of the fan, the impact damage to mechanical and electrical equipment is easy to be serious, a large amount of electric energy can be wasted, and the motor of the fan cannot be comprehensively protected.
Disclosure of Invention
The invention aims to provide a fan monitoring system and a fan monitoring method of a circulating water field based on an AES (advanced encryption standard) monitoring technology, so as to solve the problems in the background technology.
In order to solve the technical problems, one of the objects of the present invention is to provide a fan monitoring system of a circulating water field based on AES monitoring technology, comprising
The system comprises an infrastructure unit, a data processing unit, a fan management unit and a function application unit; the infrastructure unit, the data processing unit, the fan management unit and the function application unit are sequentially connected through Ethernet communication; the infrastructure unit is used for providing basic equipment, a sensing device, an intelligent technology and the like for supporting the operation of the system; the data processing unit is used for carrying out operations such as acquisition, transmission, classification and calculation on various state parameters involved in the system operation process and carrying out system regulation and control operations on the basis of a calculation result; the fan management unit is used for regulating, managing and working distribution of each group of fans connected to the system; the functional application unit is used for adding various application services in the aspect of safety protection to the system on the basis of fan management;
the infrastructure unit comprises a terminal equipment module, a state perception module, a technical support module and a network communication module;
the data processing unit comprises an acquisition and transmission module, a classification and induction module, a statistical analysis module and a centralized regulation and control module;
the fan management unit comprises a variable frequency speed regulation module, a maintenance bypass module, an energy-saving management module and a backup alternate module;
the function application unit comprises a parameter presetting module, an overrun early warning module, a fault monitoring module and a safety management module.
As a further improvement of the technical solution, the terminal device module, the state sensing module and the technical support module are sequentially connected through ethernet communication; the terminal equipment module is used for connecting each fan and the matched control equipment thereof in the circulating water field into the system so as to facilitate control; the state sensing module is used for measuring the external environment state parameters in the running process of the fan in real time by deploying a plurality of intelligent sensing devices in the circulating water field and each fan; the technical support module is used for loading various intelligent technologies to promote smooth operation of the system; the network communication module is used for providing a channel for signal access and data transmission among all layers of the system.
The terminal equipment includes but is not limited to a cooling tower, a fan, an industrial personal computer, a frequency converter, a laser and the like.
The smart sensors include, but are not limited to, anemometers, thermometers, borescope energy analyzers, galvanometers, voltmeters, and the like.
The intelligent technology includes, but is not limited to, a sensing technology, a wireless data transmission technology, a remote control technology, a network information service technology, a software engineering technology, and the like.
The network communication technology includes, but is not limited to, a limited network, a local area network, wireless WiFi, bluetooth, data traffic, and the like.
As a further improvement of the technical solution, a signal output end of the collecting and transmitting module is connected with a signal input end of the classification and induction module, a signal output end of the classification and induction module is connected with a signal input end of the statistical analysis module, and a signal output end of the statistical analysis module is connected with a signal input end of the centralized regulation and control module; the acquisition and transmission module is used for acquiring environmental state data through sensors with sensing functions and transmitting the environmental state data to a computing layer of the processor; the classification induction module is used for classifying the acquired data according to a specific type and inducing and storing the data; the statistical analysis module is used for carrying out technology and comprehensive analysis on various types of data; the centralized regulation and control module is used for performing centralized management and distribution on each fan through the processor by taking the calculation result as a basis and performing independent control on each fan respectively.
As a further improvement of the technical solution, the calculation formula adopted by the classification induction module is as follows:
Figure 347452DEST_PATH_IMAGE001
；
wherein the content of the first and second substances,
Figure 531309DEST_PATH_IMAGE002
and
Figure 697848DEST_PATH_IMAGE003
are two attributes belonging to patterns S1 and S2,
Figure 119602DEST_PATH_IMAGE004
is based on characteristics
Figure 713395DEST_PATH_IMAGE005
The method of calculating the degree of similarity of (1),
Figure 384547DEST_PATH_IMAGE006
is an aggregation function.
As a further improvement of the technical scheme, the statistical analysis module comprises a wind speed change module, a temperature speed change module, an AES energy module and an operation power module; the wind speed change module, the temperature speed change module, the AES energy module and the operation power module operate in parallel; the wind speed variation module is used for measuring and calculating the wind speed variation within a certain time interval in real time; the temperature speed change module is used for measuring a real-time temperature value and calculating a variation difference value and a variation speed of temperature rise and fall at a certain time interval; the AES energy module is used for acquiring chemical components and structural information of a water sample in a circulating water field after analysis by calculating the energy value of an AES electronic energy spectrum; the operation power module is used for calculating the operation power of each fan in real time so as to monitor the operation state of the fan.
As a further improvement of the technical solution, a calculation expression of the AES energy module is as follows:
Figure 89198DEST_PATH_IMAGE007
；
in the formula, because
Figure 896617DEST_PATH_IMAGE008
The binding energy of electrons at the L2 energy level of the inner filled yard is increased for the AES process, the binding energy of electrons at the L2 energy level is increased when the inner layer has a vacancy, so the energy required for ionizing the electrons at the L2 energy level is
Figure 661311DEST_PATH_IMAGE009
It is greater than
Figure 816830DEST_PATH_IMAGE008
。
As a further improvement of the present technical solution, a calculation expression of the operating power module is as follows:
Figure 59592DEST_PATH_IMAGE010
；
in the formula (I), the compound is shown in the specification,
Figure 721518DEST_PATH_IMAGE011
the power factor of the fan is U, phase voltage and current.
As a further improvement of the technical scheme, the variable frequency speed regulation module, the overhaul bypass module, the energy-saving management module and the backup alternate module are sequentially connected through ethernet communication and run in parallel; the variable-frequency speed regulation module is used for replacing a contactor with a frequency converter to provide a function of variable-frequency regulation of revolution for the fan; the maintenance bypass module is used for additionally arranging a maintenance bypass by configuring a frequency converter cabinet so as to ensure that a fan runs continuously when the frequency converter is maintained to be in fault; the energy-saving management module is used for realizing energy saving of the fan through the speed regulation function of the frequency converter; and the backup alternate module sets part of the fans as backup equipment and periodically replaces part of the main fans to realize alternate shutdown and finishing of the fans.
As a further improvement of the technical solution, a signal output end of the parameter presetting module is connected with a signal input end of the overrun early warning module, a signal output end of the overrun early warning module is connected with a signal input end of the fault monitoring module, and a signal output end of the fault monitoring module is connected with a signal input end of the safety management module; the parameter presetting module is used for providing a channel for presetting system operation parameters and threshold values for a user through an industrial personal computer; the overrun early warning module is used for giving an alarm when the running state value exceeds a preset parameter threshold value in the running process of the system; the fault monitoring module is used for monitoring and predicting whether the fan fails according to calculation and analysis of each running state value; the safety management module is used for providing protection functions such as over-current, over-voltage, under-voltage and motor overload for the operation of the fan through the frequency converter so as to realize the safety management process of the fan.
The second purpose of the present invention is to provide a fan monitoring method for a circulating water field based on AES monitoring technology, which takes the fan monitoring system for a circulating water field based on AES monitoring technology as a management basis, and includes the following steps:
s1, replacing an original contactor of the fan by the frequency converter, replacing original full-pressure starting and inertial stopping by the soft starting/soft stopping function of the frequency converter, and setting the optimal acceleration time to be 15S and the optimal deceleration time to be 20S;
s2, arranging sensors such as an anemometer, a thermometer, a laser, a voltmeter and an ammeter at the circulating water field and each fan, and respectively connecting each sensor to an industrial personal computer;
s3, presetting parameters through an industrial personal computer, in the running process of a circulating water field, starting a main fan in forward rotation in summer to control the temperature, and starting the main fan in reverse rotation in winter to defrost, simultaneously transmitting each acquired state value to the industrial personal computer in real time by each sensor, and outputting each corresponding calculation result after a processor in the industrial personal computer performs classification calculation on each data;
s4, analyzing the obtained water sample condition and the running power of the fans and other results by the processor according to the wind speed change, the temperature change, the AES energy change, and the like, performing centralized regulation and control on each fan, distributing the workload and the energy of each fan, and regulating the rotating speed and the energy consumption of each fan through the frequency converter;
s5, regularly starting each backup fan to replace part of the main fans, and stopping the multiple fans in turn for finishing;
s6, when the frequency converter fails, the frequency converter cabinet is overhauled by a bypass, and the fan can run uninterruptedly;
s7, when the state value exceeds the preset parameter and threshold value in the running process of the fan, the industrial personal computer feeds back alarm information to a user so that the user can adjust and overhaul in time;
and S8, judging and predicting possible faults of each fan and feeding back the faults according to the monitoring of the parameters by the processor so as to rapidly carry out troubleshooting, troubleshooting treatment and the like.
The invention also provides a fan supervision system operation device of the circulating water field based on the AES monitoring technology, which comprises a processor, a memory and a computer program stored in the memory and operated on the processor, wherein the processor is used for realizing the steps of the fan supervision system and the supervision method of the circulating water field based on the AES monitoring technology when executing the computer program.
The fourth objective of the present invention is that the computer readable storage medium stores a computer program, and the computer program, when executed by a processor, implements the steps of any one of the above-mentioned fan supervision system and supervision method for a circulating water field based on AES monitoring technology.
Compared with the prior art, the invention has the beneficial effects that:
1. in the fan supervision system of the circulating water field based on the AES monitoring technology, the original contactor of the fan is replaced by the frequency converter, so that the frequency conversion speed regulation can be performed on the fan, the accurate regulation of the air quantity is realized, the impact damage to mechanical and electrical equipment in the starting and stopping processes of the fan is reduced, the electricity is saved, the comprehensive protection is provided for a motor, meanwhile, the running parameters of the circulating water field and the fan are remotely monitored, the remote fault monitoring is realized through calculation and analysis, in addition, the chemical components of the circulating water sample are monitored through the AES monitoring technology, so that the reference basis for regulating the fan is provided for the system, and the fan supervision efficiency of the circulating water field is improved;
2. in the fan supervision method of the circulating water field based on the AES monitoring technology, the fan supervision system is used as a basis, the supervision process of the fan can be simplified, manpower, material resources and time are saved, the fan fault can be found quickly, the fault can be removed in time, and the safety in the fan operation management process is improved.
Drawings
FIG. 1 is an exemplary product architecture diagram of the present invention;
FIG. 2 is a block diagram of the overall system apparatus of the present invention;
FIG. 3 is a diagram of one embodiment of a local system device architecture;
FIG. 4 is a second block diagram of a local system apparatus according to the present invention;
FIG. 5 is a third block diagram of a local system apparatus according to the present invention;
FIG. 6 is a fourth embodiment of the present invention;
FIG. 7 is a fifth embodiment of the present invention;
FIG. 8 is a block flow diagram of an exemplary method of the present invention;
FIG. 9 is a block diagram of an exemplary computer program product of the present invention.
Wherein:
1. an industrial personal computer; 2. a frequency converter; 3. a fan; 4. a sensor;
100. an infrastructure unit; 101. a terminal device module; 102. a state sensing module; 103. a technical support module; 104. a network communication module;
200. a data processing unit; 201. a collection transmission module; 202. a classification and induction module; 203. a statistical analysis module; 2031. a wind speed variation module; 2032. a temperature change module; 2034. an AES energy module; 2034. operating a power module; 204. a centralized regulation and control module;
300. a fan management unit; 301. a variable frequency speed regulation module; 302. overhauling the bypass module; 303. an energy-saving management module; 304. a backup alternate module;
400. a function application unit; 401. a parameter presetting module; 402. an overrun early warning module; 403. a fault monitoring module; 404. and a safety management module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in FIGS. 1 to 9, the present embodiment provides a fan supervision system of a circulating water field based on AES monitoring technology, which comprises
The system comprises an infrastructure unit 100, a data processing unit 200, a fan management unit 300 and a function application unit 400; the infrastructure unit 100, the data processing unit 200, the fan management unit 300 and the function application unit 400 are sequentially connected through ethernet communication; the infrastructure unit 100 is used for providing basic equipment, a sensing device, an intelligent technology and the like supporting system operation; the data processing unit 200 is used for performing operations such as acquisition, transmission, classification and calculation on various state parameters involved in the system operation process and performing system regulation and control operations based on the calculation results; the fan management unit 300 is used for regulating, managing and distributing the groups of fans connected to the system; the function application unit 400 is used for adding various application services in the aspect of safety protection to the system on the basis of fan management;
the infrastructure unit 100 comprises a terminal equipment module 101, a state perception module 102, a technical support module 103 and a network communication module 104;
the data processing unit 200 comprises an acquisition and transmission module 201, a classification and induction module 202, a statistical analysis module 203 and a centralized regulation and control module 204;
the fan management unit 300 comprises a variable frequency speed regulation module 301, an overhaul bypass module 302, an energy-saving management module 303 and a backup alternate module 304;
the function application unit 400 includes a parameter presetting module 401, an overrun early warning module 402, a fault monitoring module 403, and a safety management module 404.
In this embodiment, the terminal device module 101, the state sensing module 102 and the technical support module 103 are sequentially connected through ethernet communication; the terminal device module 101 is used for connecting each fan and its matched control device in the circulating water field into the system for regulation and control; the state sensing module 102 is used for measuring the external environment state parameters in the running process of the fan in real time by deploying a plurality of intelligent sensing devices at the circulating water field and each fan; the technical support module 103 is used for loading various intelligent technologies to promote smooth operation of the system; the network communication module 104 is used to provide a channel for signal access and data transmission between the various layers of the system.
The terminal equipment includes but is not limited to a cooling tower, a fan, an industrial personal computer, a frequency converter, a laser and the like.
The smart sensors include, but are not limited to, anemometers, thermometers, tube mirror energy analyzers, galvanometers, voltmeters, and the like.
The intelligent technology includes, but is not limited to, a sensing technology, a wireless data transmission technology, a remote control technology, a network information service technology, a software engineering technology, and the like.
The network communication technology includes, but is not limited to, a limited network, a local area network, wireless WiFi, bluetooth, data traffic, and the like.
In this embodiment, the signal output end of the acquisition and transmission module 201 is connected to the signal input end of the classification and induction module 202, the signal output end of the classification and induction module 202 is connected to the signal input end of the statistical analysis module 203, and the signal output end of the statistical analysis module 203 is connected to the signal input end of the centralized regulation and control module 204; the acquisition and transmission module 201 is used for acquiring environmental state data through sensors with sensing functions and transmitting the environmental state data to a computing layer of the processor; the classification induction module 202 is used for classifying the acquired data according to a specific type and inducing and storing the data; the statistical analysis module 203 is used for carrying out technology and comprehensive analysis on various types of data; the centralized control module 204 is configured to perform centralized management and allocation on the fans through the processor based on the calculation result and separately control the fans.
Specifically, the calculation formula adopted by the classification induction module 202 is as follows:
Figure 657113DEST_PATH_IMAGE001
；
wherein the content of the first and second substances,
Figure 771699DEST_PATH_IMAGE002
and
Figure 818153DEST_PATH_IMAGE003
are two attributes belonging to patterns S1 and S2,
Figure 600164DEST_PATH_IMAGE004
is based on characteristics
Figure 706660DEST_PATH_IMAGE005
The method of calculating the degree of similarity of (1),
Figure 574122DEST_PATH_IMAGE006
is an aggregation function.
Further, the statistical analysis module 203 includes a wind speed variation module 2031, a temperature variation module 2032, an AES energy module 2033, and an operation power module 2034; the wind speed change module 2031, the temperature change module 2032, the AES energy module 2033 and the operation power module 2034 operate in parallel; the wind speed variation module 2031 is configured to measure and calculate a wind speed variation at a certain time interval in real time; the temperature change module 2032 is configured to measure a real-time temperature value and calculate a variation difference and a variation speed of temperature rise and drop at a certain time interval; the AES energy module 2033 is configured to obtain chemical components and structural information of the water sample in the circulating water field after analysis by calculating an energy value of an AES electronic energy spectrum; the operation power module 2034 is configured to calculate the operation power of each fan in real time so as to monitor the operation state of the fan.
Specifically, the calculation expression of the AES energy module 2033 is as follows:
Figure 424267DEST_PATH_IMAGE007
；
in the formula, because
Figure 795205DEST_PATH_IMAGE008
The binding energy of electrons at the L2 energy level of the inner filled yard is increased for the AES process, the binding energy of electrons at the L2 energy level is increased when the inner layer has a vacancy, so the energy required for ionizing the electrons at the L2 energy level is
Figure 341112DEST_PATH_IMAGE009
It is greater than
Figure 164711DEST_PATH_IMAGE008
。
Specifically, the computational expression of the run power module 2034 is as follows:
Figure 818546DEST_PATH_IMAGE010
；
in the formula (I), the compound is shown in the specification,
Figure 309570DEST_PATH_IMAGE011
the power factor of the fan is U, phase voltage and current.
In this embodiment, the variable frequency speed regulation module 301, the overhaul bypass module 302, the energy saving management module 303, and the backup alternate module 304 are sequentially connected through ethernet communication and operate in parallel; the variable frequency speed regulation module 301 is used for providing a variable frequency rotation speed regulation function for the fan by adopting a frequency converter to replace a contactor; the maintenance bypass module 302 is used for additionally arranging a maintenance bypass by configuring a frequency converter cabinet so as to ensure that a fan runs continuously when the fault of the frequency converter is maintained; the energy-saving management module 303 is used for realizing energy saving of the fan through the speed regulation function of the frequency converter; the backup rotation module 304 sets a portion of the fans as backup devices and periodically replaces a portion of the primary fans to implement fan rotational shutdown trimming.
In this embodiment, the signal output end of the parameter presetting module 401 is connected with the signal input end of the overrun early warning module 402, the signal output end of the overrun early warning module 402 is connected with the signal input end of the fault monitoring module 403, and the signal output end of the fault monitoring module 403 is connected with the signal input end of the safety management module 404; the parameter presetting module 401 is used for providing a channel for presetting system operation parameters and threshold values for a user through an industrial personal computer; the overrun early warning module 402 is used for giving an alarm when the running state value exceeds a preset parameter threshold value in the running process of the system; the fault monitoring module 403 is configured to supervise and predict whether the fan fails according to calculation and analysis of each operating state value; the safety management module 404 is configured to provide protection functions such as over-current, over-voltage, under-voltage, and motor overload for the operation of the fan through the frequency converter to implement a safety management process of the fan.
As shown in fig. 8, the present embodiment further provides a fan monitoring method for a circulating water field based on an AES monitoring technology, where the method takes the fan monitoring system for a circulating water field based on an AES monitoring technology as a management basis, and includes the following steps:
s1, replacing an original contactor of the fan by the frequency converter, replacing original full-pressure starting and inertial stopping by the soft starting/soft stopping function of the frequency converter, and setting the optimal acceleration time to be 15S and the optimal deceleration time to be 20S;
s2, arranging sensors such as an anemometer, a thermometer, a laser, a voltmeter and an ammeter at the circulating water field and each fan, and respectively connecting each sensor to an industrial personal computer;
s3, presetting parameters through an industrial personal computer, in the running process of a circulating water field, starting a main fan in forward rotation in summer to control the temperature, and starting the main fan in reverse rotation in winter to defrost, simultaneously transmitting each acquired state value to the industrial personal computer in real time by each sensor, and outputting each corresponding calculation result after a processor in the industrial personal computer performs classification calculation on each data;
s4, analyzing the obtained water sample condition and the running power of the fans and other results by the processor according to the wind speed change, the temperature change, the AES energy change, and the like, performing centralized regulation and control on each fan, distributing the workload and the energy of each fan, and regulating the rotating speed and the energy consumption of each fan through the frequency converter;
s5, regularly starting each backup fan to replace part of the main fans, and stopping the multiple fans in turn for finishing;
s6, when the frequency converter fails, the frequency converter is overhauled by a bypass of the frequency converter cabinet, and the fan can run uninterruptedly;
s7, when the state value exceeds the preset parameter and threshold value in the running process of the fan, the industrial personal computer feeds back alarm information to a user so that the user can adjust and overhaul in time;
and S8, judging and predicting possible faults of each fan and feeding back the faults according to the monitoring of the parameters by the processor so as to rapidly carry out troubleshooting, troubleshooting treatment and the like.
As shown in fig. 1, the present embodiment further provides an exemplary product architecture of a fan supervision system of a circulating water field based on an AES monitoring technology, including an industrial personal computer 1, the industrial personal computer 1 is connected with a plurality of fans 3 through a frequency converter 2, a plurality of sensors 4 are arranged on each group of fans 3, and the sensors 4 are connected with the industrial personal computer 1 through wireless communication.
As shown in fig. 9, the present embodiment also provides a fan supervision system operating apparatus of a circulating water field based on AES monitoring technology, which includes a processor, a memory, and a computer program stored in the memory and running on the processor.
The processor comprises one or more than one processing core, the processor is connected with the processor through a bus, the memory is used for storing program instructions, and the blower monitoring system and the monitoring method of the circulating water field based on the AES monitoring technology are realized when the processor executes the program instructions in the memory.
Alternatively, the memory may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
In addition, the invention also provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to realize the steps of the fan supervision system and the supervision method of the circulating water field based on the AES monitoring technology.
Optionally, the present invention also provides a computer program product containing instructions which, when run on a computer, cause the computer to perform the steps of the fan supervision system and supervision method of the circulating water field based on the AES monitoring technique in the above aspects.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by hardware related to instructions of a program, which may be stored in a computer-readable storage medium, such as a read-only memory, a magnetic or optical disk, and the like.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. Fan supervisory systems of circulating water field based on AES monitoring technology its characterized in that: comprises that
The system comprises an infrastructure unit (100), a data processing unit (200), a fan management unit (300) and a function application unit (400); the infrastructure unit (100), the data processing unit (200), the fan management unit (300) and the function application unit (400) are sequentially connected through Ethernet communication; the infrastructure unit (100) is used for providing basic equipment, a sensing device and an intelligent technology for supporting system operation; the data processing unit (200) is used for carrying out the operations of acquisition, transmission, classification and calculation on each state parameter related to the system operation process and carrying out the system regulation and control operation by taking a calculation result as a basis; the fan management unit (300) is used for regulating, managing and working distribution of each group of fans connected to the system; the function application unit (400) is used for adding various application services in the aspect of safety protection to the system on the basis of fan management;
the infrastructure unit (100) comprises a terminal equipment module (101), a state perception module (102), a technical support module (103) and a network communication module (104); the data processing unit (200) comprises a collecting and transmitting module (201), a classification and induction module (202), a statistical analysis module (203) and a centralized regulation and control module (204); the fan management unit (300) comprises a variable frequency speed regulation module (301), a maintenance bypass module (302), an energy-saving management module (303) and a backup alternate module (304); the function application unit (400) comprises a parameter presetting module (401), an overrun early warning module (402), a fault monitoring module (403) and a safety management module (404);
the signal output end of the acquisition and transmission module (201) is connected with the signal input end of the classification and induction module (202), the signal output end of the classification and induction module (202) is connected with the signal input end of the statistical analysis module (203), and the signal output end of the statistical analysis module (203) is connected with the signal input end of the centralized regulation and control module (204); the acquisition and transmission module (201) is used for acquiring environmental state data through sensors with sensing functions and transmitting the environmental state data to a computing layer of the processor; the classification induction module (202) is used for classifying the collected data according to a specific type and inducing and storing the data; the statistical analysis module (203) is used for carrying out technology and comprehensive analysis on various types of data; the centralized regulation and control module (204) is used for carrying out centralized management and distribution on each fan and respectively carrying out independent control on each fan through the processor by taking a calculation result as a basis;
the statistical analysis module (203) comprises a wind speed change module (2031), a temperature speed change module (2032), an AES energy module (2033) and an operation power module (2034); the wind speed change module (2031), the temperature variable module (2032), the AES energy module (2033) and the operating power module (2034) operate in parallel; the wind speed variation module (2031) is used for measuring and calculating the wind speed variation within a certain time interval in real time; the temperature speed change module (2032) is used for measuring a real-time temperature value and calculating a variation difference and a variation speed of temperature rise and fall at a certain time interval; the AES energy module (2033) is used for acquiring chemical components and structural information of a water sample in a circulating water field after analysis by calculating the energy value of an AES electronic energy spectrum; the operation power module (2034) is used for calculating the operation power of each fan in real time so as to monitor the operation state of the fan;
the calculation expression of the AES energy module (2033) is as follows:
EKL1L2＝EK-EL1-EL2-ΔE；
in the formula, the factor EL2The binding energy of the electrons at the L2 energy level filled in the inner layer is enabled to be a vacancy in the inner layer for the AES process, the binding energy of the electrons at the L2 energy level is increased, and therefore the energy required for removing the electrons at the L2 energy level through ionization is EL2+ Δ E, which is greater than EL2。
2. The fan supervision system for the circulating water field based on the AES monitoring technology according to claim 1, wherein: the terminal equipment module (101), the state perception module (102) and the technical support module (103) are sequentially connected through Ethernet communication; the terminal equipment module (101) is used for connecting each fan and the matched control equipment thereof in the circulating water field into the system so as to regulate and control; the state sensing module (102) is used for deploying a plurality of intelligent sensing devices at the circulating water field and each fan so as to measure the external environment state parameters in the running process of the fan in real time; the technical support module (103) is used for loading a plurality of intelligent technologies to promote smooth operation of the system; the network communication module (104) is used for providing a channel for signal access and data transmission among various layers of the system.
3. The AES-monitoring-technology-based fan supervision system for a circulating water field according to claim 1, wherein: the classification induction module (202) adopts the following calculation formula:
sim(S1.ei,S2.ej)＝AGG(simf(S1.ei,S2.ej))；
where ei and ej are two attributes belonging to the patterns S1 and S2, simf is a similarity algorithm based on the feature f, and AGG is an aggregation function.
4. The fan supervision system for the circulating water field based on the AES monitoring technology according to claim 1, wherein: the computational expression of the run power module (2034) is as follows:
P＝UIcosφ；
in the formula, cos phi is the power factor of the fan, U is the phase voltage, and I is the current.
5. The fan supervision system for the circulating water field based on the AES monitoring technology according to claim 1, wherein: the variable-frequency speed regulation module (301), the overhaul bypass module (302), the energy-saving management module (303) and the backup alternate module (304) are sequentially connected through Ethernet communication and run in parallel; the variable-frequency speed regulation module (301) is used for replacing a contactor with a frequency converter to provide a function of variable-frequency regulation of revolution for the fan; the maintenance bypass module (302) is used for additionally arranging a maintenance bypass by configuring a frequency converter cabinet so as to ensure that a fan runs continuously when the frequency converter is maintained to be in fault; the energy-saving management module (303) is used for realizing energy saving of the fan through the speed regulation function of the frequency converter; the backup alternate module (304) sets part of the fans as backup devices and replaces part of the main fans periodically to realize alternate shutdown repair of the fans.
6. The fan supervision system for the circulating water field based on the AES monitoring technology according to claim 1, wherein: the signal output end of the parameter presetting module (401) is connected with the signal input end of the overrun early warning module (402), the signal output end of the overrun early warning module (402) is connected with the signal input end of the fault monitoring module (403), and the signal output end of the fault monitoring module (403) is connected with the signal input end of the safety management module (404); the parameter presetting module (401) is used for providing a channel for presetting system operation parameters and threshold values for a user through an industrial personal computer; the overrun early warning module (402) is used for giving an alarm when the running state value exceeds a preset parameter threshold value in the running process of the system; the fault monitoring module (403) is used for monitoring and predicting whether the fan fails according to calculation and analysis of each running state value; the safety management module (404) is used for providing protection functions of over-current, over-voltage, under-voltage and motor overload for the operation of the fan through the frequency converter so as to realize the safety management process of the fan.
7. A fan supervision method of a circulating water field based on an AES monitoring technology, which is based on the fan supervision system of the circulating water field based on the AES monitoring technology as claimed in any one of claims 1 to 6, and is characterized in that: the method comprises the following steps:
s1, replacing an original contactor of the fan by the frequency converter, replacing original full-pressure starting and inertial stopping by the soft starting/soft stopping function of the frequency converter, and setting the optimal acceleration time to be 15S and the optimal deceleration time to be 20S;
s2, arranging sensors of an anemometer, a thermometer, a laser, a voltmeter and an ammeter at the circulating water field and each fan, and respectively connecting each sensor to an industrial personal computer;
s3, presetting parameters through an industrial personal computer, in the running process of a circulating water field, starting a main fan in forward rotation in summer to control the temperature, and starting the main fan in reverse rotation in winter to defrost, simultaneously transmitting each acquired state value to the industrial personal computer in real time by each sensor, and outputting each corresponding calculation result after a processor in the industrial personal computer performs classification calculation on each data;
s4, analyzing the obtained water sample condition and the running power result of the fan by the processor according to the wind speed change, the temperature change and the AES energy change, performing centralized regulation and control on each fan, distributing the workload and the energy of each fan, and regulating the rotating speed and the energy consumption of each fan through the frequency converter;
s5, regularly starting each backup fan to replace part of the main fans, and stopping the multiple fans in turn for finishing;
s6, when the frequency converter fails, the frequency converter cabinet is overhauled by a bypass, and the fan can run uninterruptedly;
s7, when the state value exceeds the preset parameter and threshold value in the running process of the fan, the industrial personal computer feeds back alarm information to a user so that the user can adjust and overhaul in time;
and S8, judging and predicting possible faults of each fan and feeding back the faults according to the monitoring of the parameters by the processor so as to rapidly carry out troubleshooting and troubleshooting.
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EP1519113A2 (en) * 2003-09-23 2005-03-30 Vaillant GmbH Method for adapting the heating power of a blower-supported heater to the individual pressure losses of a fresh air/exhaust gas pipe system
CN102411363A (en) * 2011-12-26 2012-04-11 北京工业大学 On-line monitoring system and monitoring method of running state of mine fan
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