CN112085938B - Single-line heating supply network monitoring and metering system of power plant - Google Patents

Single-line heating supply network monitoring and metering system of power plant Download PDF

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Publication number
CN112085938B
CN112085938B CN202010815679.5A CN202010815679A CN112085938B CN 112085938 B CN112085938 B CN 112085938B CN 202010815679 A CN202010815679 A CN 202010815679A CN 112085938 B CN112085938 B CN 112085938B
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user
heat supply
data
time
monitoring
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CN112085938A (en
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祝明
张天弘
梁志荣
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Huaneng International Power Jiangsu Energy Development Co Ltd
Nantong Power Plant of Huaneng International Power Jiangsu Energy Development Co Ltd
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Nantong Power Plant of Huaneng Power International Inc
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    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428Safety, monitoring
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F15/00Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/06Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00Electric signal transmission systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/02Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network

Abstract

The invention discloses a single-line heat supply network monitoring and metering system for a power plant, which comprises heat supply network central control equipment, heat supply main pipe total meter metering equipment in the plant, secondary meters of all users and control box equipment. The invention meets the technical requirements of the system on the functions of real-time monitoring, metering, pre-charging management, operation management and the like of each metering point network of the heat supply network; the heat supply and utilization is monitored, metered and managed in a power plant heat supply network center by means of the Internet and a mobile communication network. The system can keep each function and performance of the heat supply network monitoring and measuring system by additionally arranging a user side secondary instrument and a control box station and adopting a wireless mode to collect data and control communication with each user along with the increase of heat users.

Description

Single-line heating supply network monitoring and metering system of power plant
Technical Field
The invention relates to a single-line heating supply network monitoring and metering system for a power plant.
Background
The existing power plant heat supply network monitoring and metering system has low working efficiency and is troublesome to use, and the technical requirements of the system on the functions of real-time monitoring, metering, prepayment management, operation management and the like of each metering point network of a heat supply network are difficult to meet.
Disclosure of Invention
The invention aims to provide a single-line heating supply network monitoring and metering system of a power plant, which has the advantages of real-time network monitoring and good metering effect.
The technical solution of the invention is as follows:
the utility model provides a single line heat supply network control measurement system of power plant, characterized by: the system comprises a heat supply network central control device, a main heat supply pipe meter metering device in a plant, secondary meters of all users and a control box device;
the heat supply network center control equipment is an Internet network access unit of a telecommunication company; the system comprises a switch, a firewall and a heat supply network monitoring theme special server which are arranged in a power plant information center machine room, wherein special heat supply network monitoring and metering system software is installed on the server; the system also comprises a switch, a router and a heat supply network monitoring workstation which are arranged in the heat supply network center of the power plant; the heat supply network switch of the power plant information center machine room is communicated with the heat supply network switch of the heat supply network center through optical fibers, a workstation monitoring computer can monitor and manage the system in real time through a browser, and a mobile phone can download a special APP for inquiry and management; in order to improve the security of external connection of the system, except for adding safety measures on the design of a software system, a hardware firewall is erected between the heat supply modification monitoring and measuring server and the front end and between the heat supply modification monitoring and measuring server and the Internet for isolation, so that the safety of a heat supply network is ensured; the heat pipe center server is arranged in an information center machine room of an administrative building and is connected with the main station through a mobile broadband; the substation is connected via a GPRS wireless network, and the main functions of the substation are as follows: the method comprises the steps that GPRS communication terminal data of a main station and a sub station are collected or received at fixed time, steam utilization information of heat supply users sent by a mobile network is processed and analyzed, and the data are stored in a database; remotely sending an operation command of the control substation and remotely monitoring the running state of the substation; the monitoring center server stores the collected substation information data into a database; the steam consumption of the hot users is managed in real time, such as settlement and the like; the personnel who obtain the authorization permission can access and inquire the heat supply network data through the Internet; the data is monitored, alarmed and statistically analyzed in real time through remote monitoring software of a monitoring center, so that on-site metering equipment can be maintained in time when a fault occurs, and the fraud behaviors of certain bad users on steam consumption can be found and prevented in time; the heat supply network center server is provided with a Microsoft Windows server 2008 operating system, special antivirus software for Microsoft and heat supply network monitoring and metering management system software;
network and query: the power plant heat supply local area network is connected with a plurality of computers, and all the computers can access all the information of the heat supply network site without installing any other software; authorized visitors access the main webpage and related links of the heat supply network monitoring management center through the intranet and the extranet and the Internet. Unauthorized users and network data cannot enter the network;
optical fibers are laid from an information center machine room of an administrative building to a central monitoring room of a heat supply network, a plurality of computer connection switches can access the Internet, and a heat supply network monitoring system can also be accessed through an intranet;
the heat supply main pipe total meter metering equipment in the plant comprises: the low-pressure steam is positioned at the outlet of the heat supply header, 1 set of each of a pressure transmitter and a temperature sensor is arranged, and a secondary instrument control box with a GPRS wireless data acquisition function is matched, so that the low-pressure steam has the functions of pressure and temperature compensation, data is acquired by wireless communication with a heat supply network central control server, and a flow integrating instrument has a path of wired analog signal output to a DCS of a power plant main control room;
the low-pressure steam at the outlet of the heat supply header at the steam supply end in the plant is provided with a primary instrument box and a secondary instrument control box which are used for monitoring the total steam consumption of the metering heat supply; the measuring device is used for processing each steam parameter analog electric signal measured in the primary instrument box, converting the signal into a digital signal, and displaying, controlling and outputting the digital signal on site, and is called as a secondary instrument control box; secondary instrument includes in the project is reformed transform to the heat supply: the device comprises a flow integrating instrument, a UPS (uninterrupted power supply), a GPRS (general packet radio service) communication module and a lightning protection module; the real-time cycle display data of the secondary instrument comprises the following steps: instantaneous flow, temperature, pressure, cumulative flow data; the GPRS communication module in the secondary instrument control box is connected with a secondary instrument through an RS232 data line, reads digital signals of temperature, pressure and flow output by the secondary instrument in a timing or triggering mode, packages, compresses, encrypts and the like the data, and sends the data to a monitoring server of a heat pipe center through a GPRS wireless mobile network; the UPS has the functions of current-limiting and voltage-limiting charge-discharge protection, and the service life of the storage battery is prolonged; under the power-off state of the external 220V alternating current, the storage battery can continuously supply power to the substation instrument and equipment for not less than 72 hours;
and (3) metering and monitoring of hot users: the selection and the principle of the secondary instrument control box are the same as those of the main heat supply meter metering equipment in a plant, and the difference is that a heat user metering monitoring point is used as a substation of a heat supply network center; the communication data and the control signal are communicated and exchanged with the monitoring server of the heat pipe center through the sub-station GPRS wireless mobile network; the hot user side is provided with an electric control valve, and a pressure transmitter, a temperature sensor, a vortex shedding flowmeter, a flow integrating instrument and the like of the electric control valve are selected and matched according to the user flow; the anti-theft and management functions of switch control alarm and alternating current power failure alarm are provided.
The working method comprises the following steps:
accessing an address extranet or intranet through Web to enter a heat supply network system;
(II) entering heat supply network system
(1) Real-time data acquisition process
The real-time data is the basis of all monitoring, metering and management of the system and is the original data of information management; the total interval time of the real-time data scanning of the system is 180S;
single-time real-time data acquisition process:
(a) the corresponding substation selects to obtain real-time data from the first group of secondary instruments;
(b) establishing communication between a factory summary table and each user secondary table through the Internet and a GPRS mobile network;
(c) skipping over substations with abnormal communication signal states;
(d) the system comprises a general table, real-time data of all users and the real-time data of the users are correspondingly transmitted to a GPRS remote transmission module through a standard modbus protocol;
(e) the read data are transmitted to a server end by a remote transmission module and are respectively stored in a monitoring software database;
(f) after each substation reads data, the next monitoring and metering substation is entered until all the substations are scanned once;
(g) initiating the next scanning after 180 seconds;
(2) the flow of the heat supply network center for processing the real-time data of each user is as follows:
(a) reading the prepayment balance of the SQL database, and calculating the allowance according to the steam supply pricing;
(b) displaying and writing balance and allowance into a remote secondary meter;
(c) reading and displaying instantaneous flow, temperature, pressure, density and accumulated flow;
(d) when the balance and the allowance are insufficient, alarming and warning;
(e) when the communication state is abnormal, displaying overtime;
(f) when the power supply is an emergency power supply, alarming and warning are carried out;
(g) when the control box door is not closed, alarming and warning are carried out;
(2) report management
The report management comprises a user annual report, a daily report, a user monthly report, recharging inquiry and historical data;
(a) annual report: clicking a user annual report form, and after selecting a user date needing to be checked on the left side, clicking a query key to display the annual gas consumption of the current user; the print key can print out the annual gas meter of the current user, the export key can export the current user's meter and store the current user's meter to the position that the operator wants to store, and the return key returns to the report management interface;
(b) daily report
Clicking to enter, and inquiring a history entering history inquiry table in the history on the left side; clicking the starting time to select the starting time, and clicking the ending time to see the gas consumption of each 1 user; the report or EXIL file can be directly printed out; quitting and returning to the same-year report;
(c) monthly report of user
Clicking to enter, selecting the year and month to be checked on the left side, and clicking the query key to display the monthly gas consumption of the current user; the monthly report can be directly printed out, and an EXIL file can also be exported; returning the same year report;
(e) the recharging inquiry is entered in a single click mode, and the recharging condition of a user can be inquired; for example, a table of numbers, a user who charges, date and time of charging, amount of money charged, which manager charges; storing the user operation information in the SQL database through the SQL database, judging the user, time and recharging amount through a user-defined variable, finally displaying the user, time and recharging amount in a form of a table by an operator, and directly printing the lookup table or exporting an EXIL file;
(f) historical data query
Clicking 'historical data' to enter historical data query, selecting a user name to be queried at the left side, and then clicking query to select the initial time, time length and time interval of the query historical data; the data is stored at regular time through the data of the software background to set the data storage time to be one time of 120 seconds or one time of other time, and the stored data is stored in a database of the software;
(3) history curve
The historical curve of the user can be selected to be checked, the user to be checked is selected on the left side, and the instantaneous flow, pressure, temperature and frequency curve of the user can be seen at the beginning time and the time interval; red indicates instantaneous flow, green pressure, purple temperature, orange frequency; returning to the real-time data report if clicking returns; the data is stored at regular time as historical data, and the data which is clicked to see is displayed in a curve shape; the maximum sampling or the bottom limit and the high limit of a user can be set;
(4) valve switch
Whether the valve is opened or closed can be determined according to user selection for management, and automatic management means that when a user pays for prepayment, the valve is in an open state, and the valve is automatically closed once prepayment is finished; certainly, the system can automatically send the mobile phone short message to urge payment before the user prepays the fee and is about to use up, so as to ensure that the normal steam consumption of the user is not influenced; judging whether the communication state of a user is normal or not when the valve interface runs periodically, and clicking to close, opening or automatically changing the setting of a user valve under the normal condition, wherein the secondary table data can only be displayed by numbers, so that the secondary table data is displayed automatically when the conversion processing is 0, the secondary table data is displayed normally when 1 is displayed, and the secondary table data is closed when 2 is displayed, wherein the case0 represents that the selected first user pushes the next user case1 for the selected 2 nd user until the end of the endif; when the upper computer sends a command 1 indicating that the communication state is normally open, the program firstly judges whether the communication state is normal, if the communication state is normal, the program sends a command to the GPRS remote transmission module to be transmitted to the instrument, the instrument executes the command at the moment, and if the communication state is judged to be overtime, the program does not execute the command;
the operation can be carried out when the communication state is normal, and the operation is invalid when the communication state is overtime;
(5) payment settlement
(a) Firstly, selecting a determined user, then displaying the current balance and unit price of the user, inputting the amount to be recharged in the recharging amount, and clicking 'recharging determination' to ensure that the 'communication state' is in a 'normal' state, or else, not recharging; the recharging is finished by clicking the recharging determination under the condition of no error, and the recharging amount, time and recharging carried out by which operator are stored in the recharging query; the current gas price can be modified for a single user in the unit price modification, and the operation is finished by clicking the unit price modification;
when the interface runs periodically, when tx1 is constantly equal to 0 and the user is the 1 st user, making the following judgment that the communication is normal, the unit price and the balance of the 1 st user are displayed, and the user can be selected to be charged, otherwise, the unit price balance is blank and the communication state is displayed as overtime;
payment and settlement process:
firstly, logging in by an administrator;
selecting a determined user, displaying the current balance and unit price of the user, inputting the amount to be recharged in the recharging amount, and clicking recharging determination to ensure that the communication state is in a normal state, or else, not recharging; the recharging is finished by clicking the recharging determination under the condition of no error, and the recharged amount, time, operator information and recharging information are stored in a recharging SQL database;
the current gas price can be modified for a single user in unit price modification, and the operation is finished by clicking unit price modification;
fourthly, printing a recharge notice;
when the interface runs periodically, when tx1 is constantly equal to 0 and the user is the 1 st user, making the following judgment, the communication is normal, the unit price and balance of the 1 st user are displayed, and the user can be selected to be charged, otherwise, the unit price balance is blank and the communication state is displayed as overtime;
(b) univalent query
Clicking unit price query to enter a unit price display and modification interface of all users, displaying the current gas consumption unit prices of all users, inputting the gas price to be modified on the left side, and clicking a confirmation button to modify the gas consumption unit prices of all users; returning to the payment settlement picture;
(c) monovalent timing modification
The timing modification safety button is selected to perform timing modification on all the gas prices consumed by the users; when the software runs, the background judges, the unit price change of several minutes and several days is set for several months, and when the time reaches the time, the unit price of all users is automatically modified into the unit price required to be changed;
(6) alarm management
When the normal amount specified by the user is abnormal, the monitoring system can generate an alarm in time to display the abnormal problem of which user appears in what aspect; the alarm record can be inquired, and all past alarm information can be checked by selecting historical alarm; the software background can set the alarm high-low limit of each data of the user, for example, if the allowance is lower than 20 tons, the high-level alarm display and alarm interface appears, and if the allowance is lower than 10 tons, the display and emergency alarm appear in the alarm interface;
(7) user management
And clicking to enter a user management interface, and the name and the management level of the user can be seen.
The invention meets the technical requirements of the system on the functions of real-time monitoring, metering, pre-charging management, operation management and the like of each metering point network of the heat supply network; the heat supply and utilization is monitored, metered and managed in a power plant heat supply network center by means of the Internet and a mobile communication network. The system can keep each function and performance of the heat supply network monitoring and measuring system by additionally arranging a user side secondary instrument and a control box station and adopting a wireless mode to collect data and control communication with each user along with the increase of heat users. According to the principle, the system can also be added with a heat supply network monitoring and metering system expanded into a multi-line heat supply main pipe and a multi-heat user.
The present invention will be further described with reference to the following examples.
Detailed Description
A single-line heat supply network monitoring and metering system of a power plant comprises heat supply network central control equipment, heat supply main pipe total meter metering equipment in the plant, secondary meters of all users and control box equipment;
the heat supply network center control equipment is an Internet network access unit of a telecommunication company; the system comprises a switch, a firewall and a heat supply network monitoring theme special server which are arranged in a power plant information center machine room, wherein special heat supply network monitoring and metering system software is installed on the server; the system also comprises a switch, a router and a heat supply network monitoring workstation which are arranged in the heat supply network center of the power plant; the heat supply network switch of the power plant information center machine room is communicated with the heat supply network switch of the heat supply network center through optical fibers, a workstation monitoring computer can monitor and manage the system in real time through a browser, and a mobile phone can download a special APP for inquiry and management; in order to improve the security of external connection of the system, besides adding safety measures on the design of a software system, a hardware firewall of a fusion brand is erected between a heat supply modification monitoring and measuring server and the front end and the Internet for isolation, so that the safety of a heat supply network is ensured; the heat pipe center server is arranged in an information center machine room of an administrative building and is connected with the main station through a mobile broadband; the substation is connected via a GPRS wireless network, and the main functions of the substation are as follows: the method comprises the steps that GPRS communication terminal data of a main station and a sub station are collected or received at fixed time, steam utilization information of heat supply users sent by a mobile network is processed and analyzed, and the data are stored in a database; remotely sending an operation command of the control substation and remotely monitoring the running state of the substation; the monitoring center server stores the collected substation information data into a database; the steam consumption of the hot users is managed in real time, such as settlement and the like; the personnel who obtain the authorization permission can access and inquire the heat supply network data through the Internet; the data is monitored, alarmed and statistically analyzed in real time through remote monitoring software of a monitoring center, so that on-site metering equipment can be maintained in time when a fault occurs, and the fraud behaviors of certain bad users on steam consumption can be found and prevented in time; the heat supply network center server is provided with a Microsoft Windows server 2008 operating system, special antivirus software for Microsoft and heat supply network monitoring and metering management system software;
network and query: the heat supply local area network of the power plant is connected with a plurality of computers, and all the computers can access all the information of the heat supply network site without installing any other software (the inquiry range can be different by inputting different passwords according to the authorization level); authorized visitors access the main webpage and related links of the heat supply network monitoring management center through the intranet and the extranet and the Internet. Unauthorized users and network data cannot enter the network;
optical fibers are laid from an information center machine room of an administrative building to a central monitoring room of a heat supply network, a plurality of computer connection switches can access the Internet, and a heat supply network monitoring system can also be accessed through an intranet;
the heat supply main pipe total meter metering equipment in the plant comprises: the low-pressure steam is positioned at the outlet of the heat supply header, 1 set of each of a pressure transmitter and a temperature sensor is arranged, and a secondary instrument control box with a GPRS wireless data acquisition function is matched, so that the low-pressure steam has the functions of pressure and temperature compensation, data is acquired by wireless communication with a heat supply network central control server, and a flow integrating instrument has a path of wired analog signal output to a DCS of a power plant main control room;
the low-pressure steam at the outlet of the heat supply header at the steam supply end in the plant is provided with a primary instrument box and a secondary instrument control box which are used for monitoring the total steam consumption of the metering heat supply; the measuring device is used for processing each steam-using parameter analog electric signal measured in a primary instrument box (a vortex flowmeter measuring system), converting the signal into a digital signal, and displaying, controlling and outputting the digital signal on site, and is called as a secondary instrument control box; secondary instrument includes in the project is reformed transform to the heat supply: the device comprises a flow integrating instrument, a UPS (uninterrupted power supply), a GPRS (general packet radio service) communication module and a lightning protection module; the real-time cycle display data of the secondary instrument comprises the following steps: instantaneous flow, temperature, pressure, cumulative flow data; the GPRS communication module in the secondary instrument control box is connected with a secondary instrument through an RS232 data line, reads digital signals of temperature, pressure and flow output by the secondary instrument in a timing or triggering mode, packages, compresses, encrypts and the like the data, and sends the data to a monitoring server of a heat pipe center through a GPRS wireless mobile network; the UPS has the functions of current-limiting and voltage-limiting charge-discharge protection, and the service life of the storage battery is prolonged; under the power-off state of the external 220V alternating current, the storage battery can continuously supply power to the substation instrument and equipment for not less than 72 hours;
and (3) metering and monitoring of hot users: the selection and the principle of the secondary instrument control box are the same as those of the main heat supply meter metering equipment in a plant, and the difference is that a heat user metering monitoring point is used as a substation (user 1-user n) of a heat supply network center; the communication data and the control signal are communicated and exchanged with the monitoring server of the heat pipe center through the sub-station GPRS wireless mobile network; the hot user side is provided with an electric control valve, and a pressure transmitter, a temperature sensor, a vortex shedding flowmeter, a flow integrating instrument and the like of the electric control valve are selected and matched according to the user flow; the anti-theft and management functions of switch control alarm and alternating current power failure alarm are provided.
The working method comprises the following steps:
accessing an address extranet or intranet through Web to enter a heat supply network system;
(II) entering heat supply network system
(1) Real-time data acquisition process
The real-time data is the basis of all monitoring, metering and management of the system and is the original data of information management; the total interval time of the real-time data scanning of the system is 180S;
single-time real-time data acquisition process:
(a) the corresponding substation selects to obtain real-time data from the first group of secondary instruments;
(b) establishing communication between a factory summary table and each user secondary table through the Internet and a GPRS mobile network;
(c) skipping over substations with abnormal communication signal states;
(d) the system comprises a general table, real-time data of all users and the real-time data of the users are correspondingly transmitted to a GPRS remote transmission module through a standard modbus protocol;
(e) the read data are transmitted to a server end by a remote transmission module and are respectively stored in a monitoring software database;
(f) after each substation reads data, the next monitoring and metering substation is entered until all the substations are scanned once;
(g) initiating the next scanning after 180 seconds;
(2) the flow of the heat supply network center for processing the real-time data of each user is as follows:
(a) reading the prepayment balance of the SQL database, and calculating the allowance according to the steam supply pricing;
(b) displaying and writing balance and allowance into a remote secondary meter;
(c) reading and displaying instantaneous flow, temperature, pressure, density and accumulated flow;
(d) when the balance and the allowance are insufficient, alarming and warning;
(e) when the communication state is abnormal, displaying overtime;
(f) when the power supply is an emergency power supply, alarming and warning are carried out;
(g) when the control box door is not closed, alarming and warning are carried out;
(2) report management
The report management comprises a user annual report, a daily report, a user monthly report, recharging inquiry and historical data;
(a) annual report: clicking a user annual report form, and after selecting a user date needing to be checked on the left side, clicking a query key to display the annual gas consumption of the current user (the sum of the gas consumption from 1 month to 12 months is equal to the current gas consumption of 1 year, and data is stored in a database of platform software); the print key can print out the annual gas meter of the current user, the export key can export the current user's meter and store the current user's meter to the position that the operator wants to store, and the return key returns to the report management interface;
(b) daily report
Single-click entering, wherein historical inquiry is carried out on the left side to enter a historical inquiry table (the historical inquiry is seen in the using details); clicking the starting time to select the starting time, and clicking the ending time to see the gas consumption of each 1 user; (for example, the start time is 0 minutes 0 seconds at 0 o 'clock 1/2015, and the end time is 0 minutes 0 seconds at 0 o' clock 31/2015, and 1 day, 1 month or 1 year may be selected here). The report or EXIL file can be directly printed out; quitting and returning to the same-year report;
(c) monthly report of user
Clicking to enter, selecting the year and month to be checked on the left side, and clicking the query key to display the monthly gas consumption of the current user; the monthly report can be directly printed out, and an EXIL file can also be exported; returning the same year report;
(e) the recharging inquiry is entered in a single click mode, and the recharging condition of a user can be inquired; for example, a table of numbers, a user who charges, date and time of charging, amount of money charged, which manager charges; storing the user operation information in the SQL database through the SQL database, judging the user, time and recharging amount through a user-defined variable, finally displaying the user, time and recharging amount in a form of a table by an operator, and directly printing the lookup table or exporting an EXIL file;
(f) historical data query
Clicking 'historical data' to enter historical data query, selecting a user name to be queried at the left side, and then clicking query to select the initial time, time length and time interval of the query historical data; (for example, if the starting time is 2015, 3, 1, 0 th, the time length is 1 day, and the time interval is 5 minutes, the historical data of 1 time per 5 minutes from 0 th, 0 th to 23 th, 55 th on the 1 day can be seen. The data is stored at regular time through the data of the software background to set the data storage time to be one time of 120 seconds or one time of other time, and the stored data is stored in a database of the software;
(3) history curve
The historical curve of the user can be selected to be viewed, the user to be viewed is selected on the left side, the starting time and the time interval can be used for viewing the user instantaneous flow, pressure, temperature and frequency curve (for example, the historical curve of the current 1 day can be selected by starting the time 2015, 3 months, 1 day, 0 hour, 0 minute and 0 second and the time interval is 1 day). Red indicates instantaneous flow, green pressure, purple temperature, orange frequency; returning to the real-time data report if clicking returns; the data is stored at regular time as historical data, and the data which is clicked to see is displayed in a curve shape; the maximum sampling or the bottom limit and the high limit of a user can be set;
(4) valve switch
Whether the valve is opened or closed can be determined according to user selection for management, and automatic management means that when a user pays for prepayment, the valve is in an open state, and the valve is automatically closed once prepayment is finished; certainly, the system can automatically send the mobile phone short message to urge payment before the user prepays the fee and is about to use up, so as to ensure that the normal steam consumption of the user is not influenced; judging whether the communication state of a user is normal or not when the valve interface runs periodically, and clicking to close, opening or automatically changing the setting of a user valve under the normal condition, wherein the secondary table data can only be displayed by numbers, so that the secondary table data is displayed automatically when the conversion processing is 0, the secondary table data is displayed normally when 1 is displayed, and the secondary table data is closed when 2 is displayed, wherein the case0 represents that the selected first user pushes the next user case1 for the selected 2 nd user until the end of the endif; when the upper computer sends a command 1 indicating that the communication state is normally open, the program firstly judges whether the communication state is normal, if the communication state is normal, the program sends a command to the GPRS remote transmission module to be transmitted to the instrument, the instrument executes the command at the moment, and if the communication state is judged to be overtime, the program does not execute the command;
the operation can be carried out when the communication state is normal, and the operation is invalid when the communication state is overtime;
(5) payment settlement
(a) Firstly, selecting a determined user, then displaying the current balance and unit price of the user, inputting the amount to be recharged in the recharging amount, and clicking 'recharging determination' to ensure that the 'communication state' is in a 'normal' state, or else, not recharging; the recharging is finished by clicking the recharging determination under the condition of no error, and the recharging amount, time and recharging carried out by which operator are stored in the recharging query; the current gas price can be modified for a single user in the unit price modification, and the operation is finished by clicking the unit price modification;
when the interface runs periodically, when tx1 is constantly equal to 0 and the user is the 1 st user, making the following judgment that the communication is normal, the unit price and the balance of the 1 st user are displayed, and the user can be selected to be charged, otherwise, the unit price balance is blank and the communication state is displayed as overtime;
payment and settlement process:
firstly, logging in by an administrator;
selecting a determined user, displaying the current balance and unit price of the user, inputting the amount to be recharged in the recharging amount, and clicking recharging determination to ensure that the communication state is in a normal state, or else, not recharging; the recharging is finished by clicking the recharging determination under the condition of no error, and the recharged amount, time, operator information and recharging information are stored in a recharging SQL database;
the current gas price can be modified for a single user in unit price modification, and the operation is finished by clicking unit price modification;
fourthly, printing a recharge notice;
when the interface runs periodically, when tx1 is constantly equal to 0 and the user is the 1 st user, making the following judgment, the communication is normal, the unit price and balance of the 1 st user are displayed, and the user can be selected to be charged, otherwise, the unit price balance is blank and the communication state is displayed as overtime;
(b) univalent query
Clicking unit price query to enter a unit price display and modification interface of all users, displaying the current gas consumption unit prices of all users, inputting the gas price to be modified on the left side, and clicking a confirmation button to modify the gas consumption unit prices of all users; returning to the payment settlement picture;
(c) monovalent timing modification
The timing modification safety button is selected to perform timing modification on all the gas prices consumed by the users; (for example, the gas price changes to 220 yuan per ton at 0: 00 o ' clock in 5/month and 1/night in 2015, the gas price changes to 0 yuan per ton at 2015 and 5/month and 1/day 0: 00 o ' clock in 2015 and the gas price is changed to 220 yuan per ton automatically when the time changes to 0: 00 o ' clock in 5/month and 1/day on late by inputting 220 click confirmation in the unit price modification part, and the gas price does not need to be operated by an operator in the middle of the night). When the software runs, the background judges, the unit price change of several minutes and several days is set for several months, and when the time reaches the time, the unit price of all users is automatically modified into the unit price required to be changed;
(6) alarm management
When the normal amount (such as insufficient temperature, pressure and allowance, the control box is opened by a door and the like) specified by the user is abnormal, the monitoring system can generate an alarm in time to display the abnormal problem of which user appears in what aspect; the alarm record can be inquired, and all past alarm information can be checked by selecting historical alarm; the software background can set the alarm high-low limit of each data of the user, for example, if the allowance is lower than 20 tons, the high-level alarm display and alarm interface appears, and if the allowance is lower than 10 tons, the display and emergency alarm appear in the alarm interface;
(7) user management
And clicking to enter a user management interface, and the name and the management level of the user can be seen.

Claims (2)

1. The utility model provides a single line heat supply network control measurement system of power plant, characterized by: the system comprises a heat supply network central control device, a main heat supply pipe meter metering device in a plant, secondary meters of all users and a control box device;
the heat supply network center control equipment is an Internet network access unit of a telecommunication company; the system comprises a switch, a firewall and a heat supply network monitoring theme special server which are arranged in a power plant information center machine room, wherein special heat supply network monitoring and metering system software is installed on the server; the system also comprises a switch, a router and a heat supply network monitoring workstation which are arranged in the heat supply network center of the power plant; the heat supply network switch of the power plant information center machine room is communicated with the heat supply network switch of the heat supply network center through optical fibers, a workstation monitoring computer can monitor and manage the system in real time through a browser, and a mobile phone can download a special APP for inquiry and management; in order to improve the security of external connection of the system, except for adding safety measures on the design of a software system, a hardware firewall is erected between the heat supply modification monitoring and measuring server and the front end and between the heat supply modification monitoring and measuring server and the Internet for isolation, so that the safety of a heat supply network is ensured; the heat pipe center server is arranged in an information center machine room of an administrative building and is connected with the main station through a mobile broadband; the substation is connected via a GPRS wireless network, and the main functions of the substation are as follows: the method comprises the steps that GPRS communication terminal data of a main station and a sub station are collected or received at fixed time, steam utilization information of heat supply users sent by a mobile network is processed and analyzed, and the data are stored in a database; remotely sending an operation command of the control substation and remotely monitoring the running state of the substation; the monitoring center server stores the collected substation information data into a database; carrying out settlement management on the steam consumption of the hot users in real time; the personnel who obtain the authorization permission can access and inquire the heat supply network data through the Internet; the data is monitored, alarmed and statistically analyzed in real time through remote monitoring software of a monitoring center, so that on-site metering equipment can be maintained in time when a fault occurs, and the fraud behaviors of certain bad users on steam consumption can be found and prevented in time; the heat supply network center server is provided with a Microsoft Windows server 2008 operating system, special antivirus software for Microsoft and heat supply network monitoring and metering management system software;
network and query: the power plant heat supply local area network is connected with a plurality of computers, and all the computers can access all the information of the heat supply network site without installing any other software; authorized visitors access a main webpage and related links of a heat supply network monitoring management center through an intranet and an extranet Internet; unauthorized users and network data cannot enter the network;
optical fibers are laid from an information center machine room of an administrative building to a central monitoring room of a heat supply network, a plurality of computer connection switches can access the Internet, and a heat supply network monitoring system can also be accessed through an intranet;
the heat supply main pipe total meter metering equipment in the plant comprises: the low-pressure steam is positioned at the outlet of the heat supply header, 1 set of each of a pressure transmitter and a temperature sensor is arranged, and a secondary instrument control box with a GPRS wireless data acquisition function is matched, so that the low-pressure steam has the functions of pressure and temperature compensation, data is acquired by wireless communication with a heat supply network central control server, and a flow integrating instrument has a path of wired analog signal output to a DCS of a power plant main control room;
the low-pressure steam at the outlet of the heat supply header at the steam supply end in the plant is provided with a primary instrument box and a secondary instrument control box which are used for monitoring the total steam consumption of the metering heat supply; the measuring device is used for processing each steam parameter analog electric signal measured in the primary instrument box, converting the signal into a digital signal, and displaying, controlling and outputting the digital signal on site, and is called as a secondary instrument control box; secondary instrument includes in the project is reformed transform to the heat supply: the device comprises a flow integrating instrument, a UPS (uninterrupted power supply), a GPRS (general packet radio service) communication module and a lightning protection module; the real-time cycle display data of the secondary instrument comprises the following steps: instantaneous flow, temperature, pressure, cumulative flow data; the GPRS communication module in the secondary instrument control box is connected with a secondary instrument through an RS232 data line, reads digital signals of temperature, pressure and flow output by the secondary instrument in a timing or triggering mode, packages, compresses and encrypts the data, and then sends the data to a monitoring server of a heat pipe center through a GPRS wireless mobile network; the UPS has the functions of current-limiting and voltage-limiting charge-discharge protection, and the service life of the storage battery is prolonged; under the power-off state of the external 220V alternating current, the storage battery can continuously supply power to the substation instrument and equipment for not less than 72 hours;
and (3) metering and monitoring of hot users: the selection and the principle of the secondary instrument control box are the same as those of the main heat supply meter metering equipment in a plant, and the difference is that a heat user metering monitoring point is used as a substation of a heat supply network center; the communication data and the control signal are communicated and exchanged with the monitoring server of the heat pipe center through the sub-station GPRS wireless mobile network; the hot user side is provided with an electric control valve, and a pressure transmitter, a temperature sensor, a vortex shedding flowmeter and a flow integrating instrument of the electric control valve are selected and matched according to the user flow; the anti-theft and management functions of switch control alarm and alternating current power failure alarm are provided.
2. The power plant single line heating supply network monitoring and metering system of claim 1, characterized in that: the working method comprises the following steps:
accessing an address extranet or intranet through Web to enter a heat supply network system;
(II) entering heat supply network system
(1) Real-time data acquisition process
The real-time data is the basis of all monitoring, metering and management of the system and is the original data of information management; the total interval time of the real-time data scanning of the system is 180S;
single-time real-time data acquisition process:
(a) the corresponding substation selects to obtain real-time data from the first group of secondary instruments;
(b) establishing communication between a factory summary table and each user secondary table through the Internet and a GPRS mobile network;
(c) skipping over substations with abnormal communication signal states;
(d) the system comprises a general table, real-time data of all users and the real-time data of the users are correspondingly transmitted to a GPRS remote transmission module through a standard modbus protocol;
(e) the read data are transmitted to a server end by a GPRS remote transmission module and are respectively stored in a monitoring software database;
(f) after each substation reads data, the next monitoring and metering substation is entered until all the substations are scanned once;
(g) initiating the next scanning after 180 seconds;
(2) the flow of the heat supply network center for processing the real-time data of each user is as follows:
(a) reading the prepayment balance of the SQL database, and calculating the allowance according to the steam supply pricing;
(b) displaying and writing balance and allowance into a remote secondary meter;
(c) reading and displaying instantaneous flow, temperature, pressure, density and accumulated flow;
(d) when the balance and the allowance are insufficient, alarming and warning;
(e) when the communication state is abnormal, displaying overtime;
(f) when the power supply is an emergency power supply, alarming and warning are carried out;
(g) when the control box door is not closed, alarming and warning are carried out;
(2) report management
The report management comprises a user annual report, a daily report, a user monthly report, recharging inquiry and historical data;
(a) annual report: clicking a user annual report form, and after selecting a user date needing to be checked on the left side, clicking a query key to display the annual gas consumption of the current user; the print key can print out the annual gas meter of the current user, the export key can export the current user's meter and store the current user's meter to the position that the operator wants to store, and the return key returns to the report management interface;
(b) daily report
Clicking to enter, and inquiring a history entering history inquiry table in the history on the left side; clicking the starting time to select the starting time, and clicking the ending time to see the gas consumption of each 1 user; the report or EXIL file can be directly printed out; quitting and returning to the same-year report;
(c) monthly report of user
Clicking to enter, selecting the year and month to be checked on the left side, and clicking the query key to display the monthly gas consumption of the current user; the monthly report can be directly printed out, and an EXIL file can also be exported; returning the same year report;
(e) the recharging inquiry single-click enters, and the recharging condition of a user can be inquired: a table of numbers, a user for recharging, date and time for recharging, and the amount of money for recharging, which manager is for recharging; storing the user operation information in the SQL database through the SQL database, judging the user, time and recharging amount through a user-defined variable, finally displaying the user, time and recharging amount in a form of a table by an operator, and directly printing the lookup table or exporting an EXIL file;
(f) historical data query
Clicking 'historical data' to enter historical data query, selecting a user name to be queried at the left side, and then clicking query to select the initial time, time length and time interval of the query historical data; the data is stored at regular time through the data of the software background to set the data storage time to be one time of 120 seconds or one time of other time, and the stored data is stored in a database of the software;
(3) history curve
The historical curve of the user can be selected to be checked, the user to be checked is selected on the left side, and the instantaneous flow, pressure, temperature and frequency curve of the user can be seen at the beginning time and the time interval; red indicates instantaneous flow, green pressure, purple temperature, orange frequency; returning to the real-time data report if clicking returns; the data is stored at regular time as historical data, and the data which is clicked to see is displayed in a curve shape; the maximum sampling or the bottom limit and the high limit of a user can be set;
(4) valve switch
Whether the valve is opened or closed can be determined according to user selection for management, and automatic management means that when a user pays for prepayment, the valve is in an open state, and the valve is automatically closed once prepayment is finished; certainly, the system can automatically send the mobile phone short message to urge payment before the user prepays the fee and is about to use up, so as to ensure that the normal steam consumption of the user is not influenced; judging whether the communication state of a user is normal or not when the valve interface runs periodically, and clicking to close, opening or automatically changing the setting of a user valve under the normal condition, wherein the secondary table data can only be displayed by numbers, so that the secondary table data is displayed automatically when the conversion processing is 0, the secondary table data is displayed normally when 1 is displayed, and the secondary table data is closed when 2 is displayed, wherein the case0 represents that the selected first user pushes the next user case1 for the selected 2 nd user until the end of the endif; when the upper computer sends a command 1 indicating that the communication state is normally open, the program firstly judges whether the communication state is normal, if the communication state is normal, the program sends a command to the GPRS remote transmission module to be transmitted to the instrument, the instrument executes the command at the moment, and if the communication state is judged to be overtime, the program does not execute the command;
the operation can be carried out when the communication state is normal, and the operation is invalid when the communication state is overtime;
(5) payment settlement
(a) Firstly, selecting a determined user, then displaying the current balance and unit price of the user, inputting the amount to be recharged in the recharging amount, and clicking 'recharging determination' to ensure that the 'communication state' is in a 'normal' state, or else, not recharging; the recharging is finished by clicking the recharging determination under the condition of no error, and the recharging amount, time and recharging carried out by which operator are stored in the recharging query; modifying the current gas consumption price for a single user in the unit price modification, and finishing the operation by clicking the unit price modification;
when the interface runs periodically, when tx1 is constantly equal to 0 and the user is the 1 st user, making the following judgment that the communication is normal, the unit price and the balance of the 1 st user are displayed, and the user can be selected to be charged, otherwise, the unit price balance is blank and the communication state is displayed as overtime;
payment and settlement process:
firstly, logging in by an administrator;
selecting a determined user, displaying the current balance and unit price of the user, inputting the amount to be recharged in the recharging amount, and clicking recharging determination to ensure that the communication state is in a normal state, or else, not recharging; the recharging is finished by clicking the recharging determination under the condition of no error, and the recharged amount, time, operator information and recharging information are stored in a recharging SQL database;
thirdly, modifying the current gas price for a single user in unit price modification, and finishing the operation by clicking unit price modification;
fourthly, printing a recharge notice;
when the interface runs periodically, when tx1 is constantly equal to 0 and the user is the 1 st user, making the following judgment, the communication is normal, the unit price and balance of the 1 st user are displayed, and the user can be selected to be charged, otherwise, the unit price balance is blank and the communication state is displayed as overtime;
(b) univalent query
Clicking unit price query to enter a unit price display and modification interface of all users, displaying the current gas consumption unit prices of all users, inputting the gas price to be modified on the left side, and clicking a confirmation button to modify the gas consumption unit prices of all users; returning to the payment settlement picture;
(c) monovalent timing modification
Selecting a 'timing modification' button to perform timing modification on all the gas prices consumed by the users; when the software runs, the background judges, the unit price change of several minutes and several days is set for several months, and when the time reaches the time, the unit price of all users is automatically modified into the unit price required to be changed;
(6) alarm management
When the normal amount specified by the user is abnormal, the monitoring system can generate an alarm in time to display the abnormal problem of which user appears in what aspect; the alarm records can be inquired, and all past alarm information can be checked by selecting historical alarm; the software background can set the alarm high-low limit of each data of the user, if the allowance is less than 20 tons, the high-level alarm display appears in the alarm interface, and if the allowance is less than 10 tons, the display and the emergency alarm appear in the alarm interface;
(7) user management
And clicking to enter a user management interface, and the name and the management level of the user can be seen.
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CN113050523B (en) * 2021-04-06 2022-07-26 衍博集团有限公司 Electric power monitoring system based on big data fusion model
CN113178063A (en) * 2021-04-20 2021-07-27 华能(福建漳州)能源有限责任公司 Heat supply network acquisition system based on optical fiber transmission
CN114580883A (en) * 2022-02-28 2022-06-03 江苏国信协联能源有限公司 Intelligent comprehensive management and control system of heat supply pipe network
CN115471949A (en) * 2022-08-24 2022-12-13 华能苏州热电有限责任公司 Steam heating network prepayment system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101852460A (en) * 2010-03-29 2010-10-06 东南大学 Bus type district heating metrological management system capable of being controlled remotely by mobile phones
CN103631240A (en) * 2013-12-11 2014-03-12 天津万华股份有限公司 Heat metering information application service management platform on basis of internet of things for heat supply industry
CN204345794U (en) * 2014-11-18 2015-05-20 天津市金马热力有限公司 Heating network monitoring system
EP3091294A1 (en) * 2015-05-08 2016-11-09 Techem Energy Services GmbH Method and device for controlling the supply heat of heat consumers
CN108280936A (en) * 2017-12-05 2018-07-13 山东思达特测控设备有限公司 A kind of control system and its implementation sold for heat death theory and fast sale
CN109816957A (en) * 2017-11-19 2019-05-28 四川省微技购科技有限公司 A kind of municipal heating systems acquisition system based on computer system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101852460A (en) * 2010-03-29 2010-10-06 东南大学 Bus type district heating metrological management system capable of being controlled remotely by mobile phones
CN103631240A (en) * 2013-12-11 2014-03-12 天津万华股份有限公司 Heat metering information application service management platform on basis of internet of things for heat supply industry
CN204345794U (en) * 2014-11-18 2015-05-20 天津市金马热力有限公司 Heating network monitoring system
EP3091294A1 (en) * 2015-05-08 2016-11-09 Techem Energy Services GmbH Method and device for controlling the supply heat of heat consumers
CN109816957A (en) * 2017-11-19 2019-05-28 四川省微技购科技有限公司 A kind of municipal heating systems acquisition system based on computer system
CN108280936A (en) * 2017-12-05 2018-07-13 山东思达特测控设备有限公司 A kind of control system and its implementation sold for heat death theory and fast sale

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