CN113701312A - Intelligent transformation method for ventilation system of hydropower station underground powerhouse - Google Patents
Intelligent transformation method for ventilation system of hydropower station underground powerhouse Download PDFInfo
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- CN113701312A CN113701312A CN202111005679.XA CN202111005679A CN113701312A CN 113701312 A CN113701312 A CN 113701312A CN 202111005679 A CN202111005679 A CN 202111005679A CN 113701312 A CN113701312 A CN 113701312A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/64—Airborne particle content
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/76—Oxygen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses an intelligent transformation method for a ventilating system of an underground powerhouse of a hydropower station, which comprises the following steps of analyzing the system requirement according to the actual situation on site; building a control system and a transmitter in hardware equipment; constructing a lower computer program, developing upper computer software, and then jointly debugging with the hardware equipment; and performing combined debugging on the whole system, compiling a construction scheme of the online monitoring system, and performing site construction and debugging. The invention has the characteristics of low manufacturing cost, perfect functions and high automation and intelligentization degrees, can meet the production and operation requirements of the hydropower station, and is favorable for realizing the production management mode of 'remote centralized control and less-person maintenance' of the hydropower station.
Description
Technical Field
The invention relates to the technical field of hydropower station ventilation system transformation, in particular to an intelligent transformation method for a ventilation system of an underground powerhouse of a hydropower station.
Background
In recent years, along with the sustainable economic development of China, the development of hydropower energy in China is in a high-speed development period, more than fifty thousand hydropower stations are built in China at present, 230 large and medium hydropower stations exist, and the national energy agency makes statistics, so that by 2019, the total installed capacity of hydropower in China is about 3.56 hundred million kilowatts, the annual generated energy is about 1.3 trillion kilowatts, the total installed capacity accounts for 17.8 percent of the electricity consumption of the whole society, and the total installed capacity occupies an important position in an electric power system.
The hydropower station factory building is used as an important hydraulic building of a power station and is used for installing and containing a water turbine, a hydraulic generator and various auxiliary equipment, the hydropower station factory building is built underground due to geographical conditions and engineering construction requirements, the buried depth of the underground hydropower station is generally more than one hundred meters, the building structure is complex, and due to the particularity of the functions of the underground hydropower station factory building, a large number of main and auxiliary equipment of the water turbine are arranged in the hydropower station factory building, the underground humid environment and equipment heat dissipation easily cause the factory building to be sultry and moist, the summer temperature of a layering chamber in the hydropower station building is higher than 40 ℃, the mechanical equipment is corroded, the insulation of electrical equipment is reduced, the electric leakage, the breakdown and other problems are caused, the safe operation of the equipment and the personal safety of workers are seriously influenced；Therefore, the ventilation research of the underground power plant is developed, a set of good intelligent ventilation system of the underground power plant is designed, adverse factors such as damp and hot load in the power plant are regulated and controlled, and the intelligent ventilation system has an important effect on safe and stable operation of electromechanical equipment in the power plant.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned conventional problems.
Therefore, the technical problem solved by the invention is as follows: the underground powerhouse of the hydropower station is humid and stuffy throughout the year, the traditional single ventilation mode is adopted, and the ventilation effect is poor.
In order to solve the technical problems, the invention provides the following technical scheme: analyzing system requirements according to actual conditions on site; building a control system and a transmitter in hardware equipment; constructing a lower computer program, developing upper computer software, and then jointly debugging with the hardware equipment; and performing combined debugging on the whole system, compiling a construction scheme of the online monitoring system, and performing site construction and debugging.
As a preferred scheme of the intelligent modification method of the hydropower station underground powerhouse ventilation system, the method comprises the following steps: the hardware equipment adopts a distributed architecture and is divided into three layers including a management layer, a middle layer and a field layer; the PLCs in the middle layer are connected through Ethernet or optical fibers, each PLC is responsible for a designated fixed area, and the middle layer and the management layer are connected through the Ethernet to form a distributed online monitoring system.
As a preferred scheme of the intelligent modification method of the hydropower station underground powerhouse ventilation system, the method comprises the following steps: the management layer comprises an upper computer software system which runs in an industrial personal computer for on-line monitoring, configuration software is used as a development tool, and a man-machine interaction interface is designed to realize real-time monitoring, remote control and fault alarm.
As a preferred scheme of the intelligent modification method of the hydropower station underground powerhouse ventilation system, the method comprises the following steps: the middle layer comprises a data transmission and a fan control; the system comprises a master station PLC, a fan, a control layer, a touch screen, a fan controller and a master station PLC, wherein the PLC is used for starting and stopping each fan, real-time data collected by different environment parameter transmitters is transmitted to an industrial personal computer on a management layer, and meanwhile, the master station PLC is provided with the touch screen and reads the environment parameter real-time data and realizes remote control of the fans through the touch screen.
As a preferred scheme of the intelligent modification method of the hydropower station underground powerhouse ventilation system, the method comprises the following steps: the field layer is a bottom layer and comprises various transmitters, fans and relays; the transmitter can be divided into a temperature and humidity type, a wind speed type, an oxygen type and an air quality type; the sensors used in the on-line test are industrial level transducers, and the sensors are devices or devices capable of converting specified measurands into usable output signals according to a certain rule.
As a preferred scheme of the intelligent modification method of the hydropower station underground powerhouse ventilation system, the method comprises the following steps: the control method also comprises that when the output of the sensor is a specified standard signal, the sensor is called a transmitter, the air blower/exhaust fan transmits the operation state signal by a digital output signal, and if the air blower/exhaust fan adopts variable frequency control, the air blower/exhaust fan transmits the operation state signal by an analog output signal.
As a preferred scheme of the intelligent modification method of the hydropower station underground powerhouse ventilation system, the method comprises the following steps: analyzing a control strategy of a draught fan/air feeder, and determining an object of environment monitoring; respectively carrying out PLC model selection and transmitter model selection; compiling an operation program and debugging, and if the operation program meets the operation requirement, performing cascade debugging by combining an online monitoring system; and if the running requirements are not met, modifying the running program, and debugging again until the cascade debugging requirements are met.
As a preferred scheme of the intelligent modification method of the hydropower station underground powerhouse ventilation system, the method comprises the following steps: the method also comprises the steps of building an automatic control system wiring diagram and a control cabinet; installing an automatic control system and a transmitter; performing cascade debugging with the running program, and if the requirement is met, compiling a ventilation system transformation scheme for field installation and debugging; if the requirements are not met, hardware debugging is carried out until the requirements are met, and a transformation scheme of the ventilation system can be compiled.
The invention has the beneficial effects that: the invention has the characteristics of low manufacturing cost, perfect functions and high automation and intelligentization degrees, can meet the production and operation requirements of the hydropower station, and is favorable for realizing the production management mode of 'remote centralized control and less-person maintenance' of the hydropower station.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a schematic design flow diagram of an on-line monitoring system of an intelligent modification method of a hydropower station underground powerhouse ventilation system according to an embodiment of the invention;
FIG. 2 is a schematic topological diagram of a control system of the intelligent modification method of the ventilation system of the underground powerhouse of the hydropower station according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a master station PLC control cabinet system of the intelligent modification method of the hydropower station underground powerhouse ventilation system according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a substation PLC control cabinet system of the intelligent modification method for the ventilation system of the underground powerhouse of the hydropower station according to one embodiment of the invention;
fig. 5 is a schematic diagram of a software functional structure of an intelligent modification method for an underground powerhouse ventilation system of a hydropower station according to an embodiment of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments accompanied with figures are described in detail below, and it is apparent that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
The present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially in general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Meanwhile, in the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present invention provides an intelligent modification method for an underground powerhouse ventilation system of a hydropower station, including:
s1: and analyzing the system requirements according to the actual situation on site.
S2: and (5) building a control system and a transmitter in the hardware equipment.
S3: and constructing a lower computer program, developing upper computer software, and then jointly debugging with hardware equipment.
S4: and performing combined debugging on the whole system, compiling a construction scheme of the online monitoring system, and performing site construction and debugging.
Referring to fig. 2, the hardware device adopts a distributed architecture, and is divided into three layers including a management layer, a middle layer and a field layer; the PLCs in the middle layer are connected through Ethernet or optical fibers, each PLC is responsible for a designated fixed area, and the middle layer and the management layer are connected through the Ethernet to form a distributed online monitoring system.
Specifically, the management layer comprises an upper computer software system which runs in an industrial personal computer for on-line monitoring, configuration software is used as a development tool, and a man-machine interaction interface is designed to realize real-time monitoring, remote control and fault alarm.
Further, the middle layer comprises a data transmission and fan control unit; adopt PLC to open and stop each fan, with the real-time data that different environmental parameter transmitters gathered, transmit the industrial computer on the management layer, simultaneously, main website PLC is furnished with the touch-sensitive screen, reads environmental parameter real-time data and realizes the remote control of fan through the touch-sensitive screen.
Still further, the field layer is a bottom layer, which comprises various transmitters, fans and relays; the transmitter can be divided into a temperature and humidity type, a wind speed type, an oxygen type and an air quality type; the sensors used in the on-line test are industrial level transmitters, and the sensors are devices or devices which can convert specified measured quantities into usable output signals according to a certain rule; when the output of the sensor is a specified standard signal, the sensor is called a transmitter, the air blower/exhaust fan transmits the operation state signal by a digital output signal, and if the air blower/exhaust fan adopts variable frequency control, the air blower/exhaust fan transmits the operation state signal by an analog output signal.
Preferably, the present embodiment further needs to be described in detail as follows:
analyzing a control strategy of a draught fan and a draught fan, and determining an object of environment monitoring;
respectively carrying out PLC model selection and transmitter model selection;
compiling an operation program and debugging, and if the operation program meets the operation requirement, performing cascade debugging by combining an online monitoring system;
if the operation requirement is not met, modifying the operation program, and debugging again until the cascade debugging requirement is met;
building an automatic control system wiring diagram and a control cabinet;
installing an automatic control system and a transmitter;
performing cascade debugging with the running program, and if the requirements are met, compiling a ventilation system transformation scheme for field installation and debugging;
if the requirements are not met, hardware debugging is carried out until the requirements are met, and a transformation scheme of the ventilation system can be compiled.
It is understood that the main devices controlled by the online monitoring system are a fan and a transmitter, the fan has four feedback signals of starting, stopping, resetting and failure, and three output signals of starting, stopping and failure resetting of the fan; the transmitter only outputs signals of the environmental data.
Referring to fig. 3, the system equipment of the master station PLC controls the selective mitsubishi Q series, the hydropower station supplies power by adopting dual power supply switching, so that the working power supply of the control system also needs to work in parallel by adopting AC220V + DC220V, automatic undisturbed switching is performed, each PLC is provided with an inverter power supply, and the system diagram of the master station PLC control cabinet is shown in fig. 3 (note: H0XX represents a power cable, H1XX represents a network cable (twisted pair), H2XX represents a signal cable, and H3XX represents a communication cable).
Referring to fig. 4, the functions of the substation PLC # 1 and the substation PLC # 2 only include analog input and output, the control cabinet system diagram is similar to that of the master station PLC, and the substation PLC # 3 needs to control a fan and a soft starter; the soft starter of each induced draft fan needs a start signal, a fault signal and an output start-stop signal, and needs to be configured with a fault reset signal to carry out reset operation when 6 soft starters have faults.
Preferably, the online monitoring system is used for monitoring the room temperature, humidity and O of each layer in the plant2The concentration, PM2.5 concentration and wind speed are monitored in real time, and when the unit normally operates, the average values of the monitoring indexes such as the environmental parameters, the wind speed and the like of each typical layer room in the plant in 60s are measured and are shown in table 1.
Table 1: and (5) monitoring results inside the underground workshop under the rated working condition of the unit.
Referring to table 1, for each typical floor room in the underground powerhouse, the average temperature of the generator floor is significantly lower than that of the rest floor rooms; the average humidity of the generator layer is higher than that of other layers; in addition, in the monitoring process, the wind speed at each monitoring position is easy to be gradually increased along with the increase of the opening number of the ventilators.
The reason for this phenomenon is that, in combination with the analysis of the three-dimensional flow field simulation result: the generator has spacious inner space, less electromechanical devices, good ventilation effect and other air intake from the rooms and air exhaust fan, and the air quality, temperature and humidity and ventilation volume of the fan are greatly related.
Preferably, the embodiment designs an online monitoring system of the temperature, humidity, speed, soot and air supply and exhaust system of the underground powerhouse, realizes centralized monitoring of whole-process environmental parameters of a ventilation system of an old powerhouse of the hydropower station, realizes intelligent control operation of an air supply and exhaust fan of the underground powerhouse, proposes suggestions for modification of an intelligent ventilation system through measurement and numerical modeling research of different working conditions and seasons on site, improves the working environment in the underground powerhouse, improves the safety and reliability of operation of electromechanical equipment, prolongs the service life of the electromechanical equipment, reduces the failure rate of the mechanical equipment, improves the working efficiency and the management level of operation maintenance personnel, further helps the hydropower station to optimize the asset operation level, saves energy consumption, reduces the operation cost and strengthens standard management.
Example 2
Referring to fig. 5, a second embodiment of the present invention is different from the first embodiment in that a software design of an online monitoring system of a ventilation system of an underground powerhouse of a hydropower station is provided, which specifically includes:
the software design of the on-line monitoring system consists of an upper computer and a lower computer, wherein the upper computer is a control object, generally an industrial personal computer or a server and is used for directly sending an operation command; the lower computer is a controlled object, generally a PLC and other intelligent modules, and is used for directly controlling equipment and reading the conditions of the equipment.
Preferably, for the online monitoring system, the upper computer part is monitoring software based on the configuration king, a man-machine interaction visual interface is developed, real-time environment data of the underground plant, such as environment monitoring parameters of temperature, humidity, smoke dust, oxygen concentration and the like in the underground plant, are acquired by connecting the transmitter, and functions of environment real-time data monitoring, remote monitoring, data management, alarm function and the like are realized.
Furthermore, the lower computer part is an automatic control system based on a PLC, and realizes the control of the on-line monitoring system of the underground workshop by taking the fan and the monitoring equipment as control objects; the PLC program comprises fan control, data acquisition, PLC communication and the like, the human-computer interaction interface can monitor the data of the plant environment in real time, the start and stop of each fan are adjusted according to a preset control strategy, and the typical working condition of the underground plant is automatically adjusted.
It is understood that the configuration software commonly used in China mainly comprises the configuration king of a sub-control company and the MCGS of a Kunlun company, the configuration king has the advantages of friendly interface, simplicity in operation, strong real-time performance and the like, the system is simple to upgrade and modify, is stable and reliable, can meet the control requirements under most conditions, and is widely applied to the industrial field.
Preferably, a set of friendly human-computer interaction visual operation interface is developed in the embodiment, operation and maintenance personnel and managers can directly perform environment monitoring and remote control on the operation and maintenance personnel, for example, functions of reading real-time environment monitoring data, starting and stopping a fan, giving fault alarm and the like are performed on the operation and maintenance personnel, and through the design of the configuration king, the operation interface of the online monitoring system has the functions of system management, equipment management, state monitoring and data query.
When the system runs, after a user name and a password are selected, the online monitoring system is operated according to the set authority of the user, after a button of 'entering the system' is clicked, a 'shortcut menu' page in system management can be directly jumped to, wherein the 'shortcut menu' page comprises five functions: fan control, threshold setting, real-time data, fault alarm, and historical query functions.
It should be recognized that embodiments of the present invention can be realized and implemented by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The methods may be implemented in a computer program using standard programming techniques, including a non-transitory computer-readable storage medium configured with the computer program, where the storage medium so configured causes a computer to operate in a specific and predefined manner, according to the methods and figures described in the detailed description. Each program may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on a programmed application specific integrated circuit for this purpose.
Further, the operations of processes described herein can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes described herein (or variations and/or combinations thereof) may be performed under the control of one or more computer systems configured with executable instructions, and may be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications) collectively executed on one or more processors, by hardware, or combinations thereof. The computer program includes a plurality of instructions executable by one or more processors.
Further, the method may be implemented in any type of computing platform operatively connected to a suitable interface, including but not limited to a personal computer, mini computer, mainframe, workstation, networked or distributed computing environment, separate or integrated computer platform, or in communication with a charged particle tool or other imaging device, and the like. Aspects of the invention may be embodied in machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated into a computing platform, such as a hard disk, optically read and/or write storage medium, RAM, ROM, or the like, such that it may be read by a programmable computer, which when read by the storage medium or device, is operative to configure and operate the computer to perform the procedures described herein. Further, the machine-readable code, or portions thereof, may be transmitted over a wired or wireless network. The invention described herein includes these and other different types of non-transitory computer-readable storage media when such media include instructions or programs that implement the steps described above in conjunction with a microprocessor or other data processor. The invention also includes the computer itself when programmed according to the methods and techniques described herein. A computer program can be applied to input data to perform the functions described herein to transform the input data to generate output data that is stored to non-volatile memory. The output information may also be applied to one or more output devices, such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including particular visual depictions of physical and tangible objects produced on a display.
As used in this application, the terms "component," "module," "system," and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, or software in execution. For example, a component may be, but is not limited to being: a process running on a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of example, both an application running on a computing device and the computing device can be a component. One or more components can reside within a process and/or thread of execution and a component can be localized on one computer and/or distributed between two or more computers. In addition, these components can execute from various computer readable media having various data structures thereon. The components may communicate by way of local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the internet with other systems by way of the signal).
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (8)
1. The intelligent modification method for the ventilation system of the hydropower station underground powerhouse is characterized by comprising the following steps of: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
analyzing system requirements according to actual conditions on site;
building a control system and a transmitter in hardware equipment;
constructing a lower computer program, developing upper computer software, and then jointly debugging with the hardware equipment;
and performing combined debugging on the whole system, compiling a construction scheme of the online monitoring system, and performing site construction and debugging.
2. The intelligent transformation method of the ventilation system of the underground powerhouse of the hydropower station according to claim 1, which is characterized by comprising the following steps of: the hardware equipment adopts a distributed architecture and is divided into three layers including a management layer, a middle layer and a field layer;
the PLCs in the middle layer are connected through Ethernet or optical fibers, each PLC is responsible for a designated fixed area, and the middle layer and the management layer are connected through the Ethernet to form a distributed online monitoring system.
3. The intelligent transformation method of the ventilating system of the underground powerhouse of the hydropower station according to claim 2, which is characterized by comprising the following steps of: the management layer comprises an upper computer software system which runs in an industrial personal computer for on-line monitoring, configuration software is used as a development tool, and a man-machine interaction interface is designed to realize real-time monitoring, remote control and fault alarm.
4. The intelligent transformation method of the ventilation system of the hydropower station underground powerhouse according to the claim 2 or 3, which is characterized in that: the middle layer comprises a data transmission and a fan control;
the system comprises a master station PLC, a fan, a control layer, a touch screen, a fan controller and a master station PLC, wherein the PLC is used for starting and stopping each fan, real-time data collected by different environment parameter transmitters is transmitted to an industrial personal computer on a management layer, and meanwhile, the master station PLC is provided with the touch screen and reads the environment parameter real-time data and realizes remote control of the fans through the touch screen.
5. The intelligent transformation method of the ventilating system of the underground powerhouse of the hydropower station according to claim 4, which is characterized by comprising the following steps of: the field layer is a bottom layer and comprises various transmitters, fans and relays;
the transmitter can be divided into a temperature and humidity type, a wind speed type, an oxygen type and an air quality type;
the sensors used in the on-line test are industrial level transducers, and the sensors are devices or devices capable of converting specified measurands into usable output signals according to a certain rule.
6. The intelligent transformation method of the ventilating system of the underground powerhouse of the hydropower station according to claim 5, which is characterized by comprising the following steps of: the control method also comprises that when the output of the sensor is a specified standard signal, the sensor is called a transmitter, the air blower/exhaust fan transmits the operation state signal by a digital output signal, and if the air blower/exhaust fan adopts variable frequency control, the air blower/exhaust fan transmits the operation state signal by an analog output signal.
7. The intelligent transformation method of the ventilating system of the underground powerhouse of the hydropower station according to claim 6, which is characterized by comprising the following steps of: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
analyzing a control strategy of a draught fan and a draught fan, and determining an object of environment monitoring;
respectively carrying out PLC model selection and transmitter model selection;
compiling an operation program and debugging, and if the operation program meets the operation requirement, performing cascade debugging by combining an online monitoring system;
and if the running requirements are not met, modifying the running program, and debugging again until the cascade debugging requirements are met.
8. The intelligent transformation method of the ventilation system of the underground powerhouse of the hydropower station according to claim 7, which is characterized by comprising the following steps of: also comprises the following steps of (1) preparing,
building an automatic control system wiring diagram and a control cabinet;
installing an automatic control system and a transmitter;
performing cascade debugging with the running program, and if the requirement is met, compiling a ventilation system transformation scheme for field installation and debugging;
if the requirements are not met, hardware debugging is carried out until the requirements are met, and a transformation scheme of the ventilation system can be compiled.
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