CN112197338B - Unattended heating power station control system and working method thereof - Google Patents
Unattended heating power station control system and working method thereof Download PDFInfo
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- CN112197338B CN112197338B CN202011057805.1A CN202011057805A CN112197338B CN 112197338 B CN112197338 B CN 112197338B CN 202011057805 A CN202011057805 A CN 202011057805A CN 112197338 B CN112197338 B CN 112197338B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
Abstract
The invention discloses an unattended heating power station control system and a working method thereof, and belongs to the technical field of heating pipe networks. The system comprises a measurement module, a video monitoring module, a data processing module, a data storage module, a lower computer module and a communication module of the heating power station, wherein the measurement module is used for collecting real-time operation parameters of the heating power station, the video monitoring module is used for collecting real-time picture information of the heating power station, the measurement module and the video monitoring module are connected with the data processing module, the data processing module is respectively connected with the data storage module and the lower computer module, and the lower computer module is respectively connected with the communication module of the heating power station and all control points of the heating power station; the heat station communication module is connected with the dispatching monitoring center communication module, the dispatching monitoring center communication module is respectively connected with the upper computer module, the database module and the data analysis module, and the data analysis module is connected with the upper computer module. The invention has high automation degree, improves the safety and stability of the operation of the heating station, saves energy, protects environment and reduces the labor cost.
Description
Technical Field
The invention belongs to the technical field of heat supply pipe networks, and particularly relates to an unattended heating power station control system and a working method thereof.
Background
In recent years, with the development of urban construction, heating heat load is rapidly developed. At present, most of heat exchange stations adopt manual monitoring, so that on one hand, manpower is wasted; on the other hand, when accident potential occurs, operators are difficult to find, and equipment accidents are easy to cause. Meanwhile, each heat exchange station operates independently, the overall optimal state of a heating system is difficult to achieve, hydraulic imbalance is easy to cause, and the heating effect is influenced, so that great waste of energy is caused. In addition, a heat supply dispatching department needs to know basic heat supply operation parameters such as temperature and pressure of each heat exchange station in each cell and adjust heat supply operation load according to the real-time operation parameters. However, the existing means can not meet the dispatching requirement, basic data is reported by manual on-site meter reading, no remote control means and equipment are provided, accurate control can not be realized, and a large amount of heat energy is wasted.
Disclosure of Invention
In order to solve the above problems, the present invention aims to provide an unattended thermal station control system and a working method thereof, which have high automation degree, improve the safety and stability of the operation of the thermal station, save energy, protect environment, and reduce labor cost.
The invention is realized by the following technical scheme:
the invention discloses an unattended heating power station control system, which comprises a heating power station monitoring system and a dispatching monitoring center, wherein the dispatching monitoring center is connected with the heating power station monitoring system; the heating power station monitoring system comprises a lower computer module, a data processing module, a measuring module, a data storage module, a heating power station communication module and a video monitoring module; the dispatching monitoring center comprises an upper computer module, a database module, a data analysis module and a dispatching monitoring center communication module;
the system comprises a measurement module, a video monitoring module, a data processing module, a data storage module, a lower computer module and a communication module of the heating power station, wherein the measurement module is used for collecting real-time operation parameters of the heating power station, the video monitoring module is used for collecting real-time picture information of the heating power station, the measurement module and the video monitoring module are connected with the data processing module, the data processing module is respectively connected with the data storage module and the lower computer module, and the lower computer module is respectively connected with the communication module of the heating power station and all control points of the heating power station;
the heat station communication module is connected with the dispatching monitoring center communication module, the dispatching monitoring center communication module is respectively connected with the upper computer module, the database module and the data analysis module, and the data analysis module is connected with the upper computer module.
Preferably, the measuring module comprises a heat meter, a flow meter, a water level sensor, a valve position sensor, a pressure sensor and a temperature sensor.
Preferably, the heating power station monitoring system further comprises an alarm module, the alarm module is respectively connected with the measurement module and the lower computer module, and the alarm module is used for giving an alarm to the lower computer module when each measurement parameter exceeds a set alarm threshold value.
Preferably, the data processing module is connected with an environment temperature compensation module, and the environment temperature compensation module can correct the water supply temperature curve according to the outdoor temperature and the set value of the water supply temperature.
Preferably, the lower computer module is connected with a backwater temperature difference limiting module, and the backwater temperature difference limiting module is used for adjusting the backwater temperature difference to accord with a set value.
Preferably, the lower computer module is connected with a secondary water supply temperature adjusting module, and the secondary water supply temperature adjusting module is used for adjusting the secondary water supply temperature to accord with a set value.
Preferably, the monitoring system of the heating power station further comprises a power-down protection module and an incoming call self-starting module.
Preferably, the scheduling monitoring center further comprises a permission management module, and the permission management module can set corresponding operation permission according to the identity of the access personnel.
The invention discloses a working method of the unattended heating power station control system, which comprises the following steps:
the measurement module collects real-time operation parameters of the thermal station and sends the real-time operation parameters to the data processing module, the video monitoring module collects real-time picture information of the thermal station and sends the real-time picture information to the data processing module, the data processing module processes received data and sends the processed data to the data storage module for storage, and meanwhile, the data processing module sends the processed data to the lower computer module, and the lower computer module controls corresponding control points of the thermal station according to a control strategy;
the thermal station communication module remotely transmits data to the dispatching monitoring center communication module, the dispatching monitoring center communication module receives the data and then transmits the data to the database module for storage, and meanwhile, the data are transmitted to the data analysis module for analysis and then the analysis result is transmitted to the upper computer module; the upper computer module and the lower computer module carry out remote communication and scheduling.
Preferably, the control mode of the lower computer module comprises a manual mode, an automatic mode and a remote controlled mode; the remote control system is characterized in that the system is manually controlled by operators in a manual mode, automatically controlled by programs and operation parameters built in the lower computer module in an automatic mode, and remotely controlled by the upper computer module in a remote control mode.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention discloses an unattended heating power station control system, which monitors the operation condition and parameters of a heating network in real time through a measuring module and a video monitoring module, and automatically controls a lower computer module after data is processed by a data processing module, so that uniform heat supply is realized, heat supply is realized according to needs, heat is fully and effectively utilized, and the purposes of saving energy and reducing the operation cost are realized; the data storage module can store the acquired data, so that data loss during failure or power failure is prevented, and the stability of the operation of the heat supply network is improved. Meanwhile, data are uploaded to the upper computer module remotely through the communication module and are analyzed and processed through the data analysis module, so that dispatching personnel can find hidden dangers existing in the equipment at any time and adjust system parameters in time, the safety level is greatly improved, and the safety of personnel, equipment and property is practically guaranteed. The data are stored in the database module, so that mass data of all heating power station monitoring systems can be conveniently gathered for later-stage consultation and statistical analysis. Through the automation and the long-range of control, the operating pressure of heating power station straight pipe personnel that can significantly reduce realizes unmanned on duty, can reduce personnel's quantity, has reduced the operation cost of enterprise.
Furthermore, the measuring module comprises a heat meter, a flow meter, a water level sensor, a valve position sensor, a pressure sensor and a temperature sensor, and can collect main information such as heat, flow, water level, valve position, pressure and temperature and the like to be provided for the control system to draw up a control strategy.
Furthermore, the alarm module can set the threshold value of each measurement parameter, and when a certain measurement parameter exceeds the threshold value, an alarm can be directly sent to the lower computer, so that the lower computer can control in time, and the safety and the stability of the heat supply network are improved.
Furthermore, the environment temperature compensation module can correct the water supply temperature curve according to the outdoor temperature and the set value of the water supply temperature, so that the energy consumption is reduced, and the comprehensive efficiency of the heat supply network is improved.
Furthermore, the backwater temperature difference limiting module can adjust the backwater temperature difference to meet a set value, so that the heat exchange efficiency is improved, and the problem of peak value is effectively solved.
Further, the secondary water supply temperature adjusting module can adjust the secondary water supply temperature to accord with a set value so as to ensure the water supply temperature required by the secondary network.
Furthermore, the power failure protection module can protect equipment and data, the incoming call self-starting module can enable the system to be started automatically in power restoration, manual intervention is not needed, and the automation degree is high.
Furthermore, the authority management module can set corresponding operation authority according to the identity of the access personnel, and the safety and the stability of the system are improved.
The working method of the unattended heating power station control system disclosed by the invention realizes remote monitoring and scheduling, has high automation degree, improves the safety and stability of the operation of the heating power station to the maximum extent, saves energy, protects the environment and reduces the labor cost.
Furthermore, the control mode of the lower computer module has a manual mode, an automatic mode and a remote controlled mode, and can be switched as required, so that the control efficiency and flexibility are improved, and the stability of the system is improved.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
In the figure: the system comprises a central control system, a data processing module, a measuring module, a data storage module, a thermal power station communication module, a video monitoring module, a host computer module, a database module, a data analysis module and a scheduling monitoring center communication module, wherein the central control system comprises a central control system 1, a data processing module 2, a measuring module 3, a data storage module 4, a thermal power station communication module 5, a video monitoring module 6, a host computer module 7, a database module 8, a data analysis.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are included to illustrate and not to limit the invention:
referring to fig. 1, the unattended heating power station control system of the present invention includes a heating power station monitoring system and a dispatching monitoring center; the heating power station monitoring system comprises a lower computer module 1, a data processing module 2, a measuring module 3, a data storage module 4, a heating power station communication module 5 and a video monitoring module 6; preferably, the monitoring system of the heating power station further comprises a power-down protection module and an incoming call self-starting module. The dispatching monitoring center comprises an upper computer module 7, a database module 8, a data analysis module 9 and a dispatching monitoring center communication module 10; preferably, the scheduling monitoring center further comprises a permission management module, and the permission management module can set corresponding operation permission according to the identity of the access personnel.
The measuring module 3 is used for collecting real-time operation parameters of the heating power station, and the measuring module 3 mainly comprises a heat meter, a flow meter, a water level sensor, a valve position sensor, a pressure sensor and a temperature sensor. The video monitoring module 6 is used for acquiring real-time picture information of the heating power station, the measuring module 3 and the video monitoring module 6 are connected with the data processing module 2, the data processing module 2 is respectively connected with the data storage module 4 and the lower computer module 1, preferably, the data processing module 2 is connected with an environment temperature compensation module, and the environment temperature compensation module can correct a water supply temperature curve according to outdoor temperature and a water supply temperature set value; the lower computer module 1 is respectively connected with the heat station communication module 5 and all control points of the heat station.
The heating power station communication module 5 is connected with the dispatching monitoring center communication module 10, the dispatching monitoring center communication module 10 is respectively connected with the upper computer module 7, the database module 8 and the data analysis module 9, and the data analysis module 9 is connected with the upper computer module 7.
Preferably, the heating power station monitoring system further comprises an alarm module, the alarm module is respectively connected with the measuring module 3 and the lower computer module 1, and the alarm module is used for giving an alarm to the lower computer module 1 when each measured parameter exceeds a set alarm threshold value.
Preferably, the lower computer module 1 is connected with a backwater temperature difference limiting module and a secondary water supply temperature adjusting module, and the backwater temperature difference limiting module is used for adjusting the backwater temperature difference to be in line with a set value; the secondary water supply temperature adjusting module is used for adjusting the secondary water supply temperature to accord with a set value.
The working method of the unattended heating power station control system comprises the following steps:
the measurement module 3 collects real-time operation parameters of the thermal station and sends the real-time operation parameters to the data processing module 2, the video monitoring module 6 collects real-time picture information of the thermal station and sends the real-time picture information to the data processing module 2, the data processing module 2 processes the received data and sends the processed data to the data storage module 4 for storage, the processed data are sent to the lower computer module 1, and the lower computer module 1 controls corresponding control points of the thermal station according to a control strategy; the control mode of the lower computer module 1 comprises a manual mode, an automatic mode and a remote controlled mode; the manual control is carried out by operators in a manual mode, the automatic control is carried out by programs and running parameters which are arranged in the lower computer module 1 in an automatic mode, and the remote control from the upper computer module 7 is received in a remote control mode.
The thermal station communication module 5 remotely transmits data to the dispatching monitoring center communication module 10, the dispatching monitoring center communication module 10 receives the data and then transmits the data to the database module 8 for storage, and meanwhile, the data is transmitted to the data analysis module 9 for analysis and then the analysis result is transmitted to the upper computer module 7; the upper computer module 7 and the lower computer module 1 carry out remote communication and scheduling.
The invention will be further explained and illustrated with reference to a specific example:
a heating power company utilizes the steam extraction heat sources of a 2 x 350MW unit and a 2 x 680MW unit of a power plant to build a heat supply main pipe network 454 kilometers, undertakes the centralized heat supply of new urban areas, old urban areas and high-tech garden areas of the city, and occupies about 86% of the centralized heat supply area of the urban areas. Wherein the heating capacity of the #1 line is 930 ten thousand meters2And the heating capacity of the #2 line is 1100 ten thousand meters2Total heating capacity 2030 ten thousand meters2. The actual heating area 1788 ten thousand meters till 20182The actual heat supply areas of the #1 line and the #2 line are 842 ten thousand meters respectively2And 946 ten thousand m2(ii) a The number of heat exchange stations in the heat supply range reaches about 700.
The embodiment of the unattended heating power station control system is as follows:
the unattended system is divided into two parts, namely a heat exchange station monitoring part and a dispatching monitoring center, wherein the heat exchange station monitoring part has the main functions of realizing manual/unattended operation, and is divided into two operation means of remote/local control, and equipment can be manually/automatically started and stopped. The heat exchange station thermal parameters and the equipment state are uploaded to a thermal power dispatching center, a control instruction can be issued remotely by the dispatching center, and video data such as equipment in the thermal power station are uploaded to a video monitoring platform in real time. The equipment mainly comprises a Programmable Logic Controller (PLC), a frequency converter, a heat meter, a shutoff valve, temperature and pressure sensors, data communication equipment and the like, and realizes the functions of thermotechnical measurement, heat metering, alarm shutoff, temperature and pressure reduction, real-time monitoring and the like of the heat exchange station. The heat supply network dispatching monitoring center mainly comprises a server, an upper computer, equipment for display, communication and the like, and programming and debugging of software for database, configuration, information management and the like of the upper computer.
The controllers, the sensors, the actuating mechanisms and the communication modules of all the heat exchange stations form a remote terminal station of the heat supply network monitoring system, and the remote terminal station completes data acquisition and control functions of the heat exchange stations and other field devices through the instruments and the actuating mechanisms connected with the remote terminal station. The controller can be matched with an electrical control cabinet and a process to realize full-automatic control of the heat exchange station, realize safe start and stop of the unit and achieve unattended operation. All the remote terminal stations are connected with the thermal power dispatching center system through a communication company public network, and if a certain controller fails, the thermal power dispatching center system can keep normal operation. All measurement remote transmission hardware and software platforms of the heat exchange station are mutually connected with a heat supply network monitoring center to form a complete monitoring system finally.
1. Main control functions in heat exchange stations
The measurement of the heat exchange station is composed of a controller with measurement and control functions, a control cabinet, a sensor and a communication system. The basic functions are as follows:
1) and (3) parameter measurement, which is mainly used for measuring analog quantity (such as temperature, pressure, heat, water supplement quantity and the like), state quantity (such as the state of a pump, the state of a temperature and water level switch and the like) and pulse quantity of the field process of the heat supply network and finishing the functions of upper and lower limit comparison, PID (proportion integration differentiation) operation, logic operation and the like of corresponding physical quantity. 2) And (4) data storage, wherein the controller collects the measured parameters at certain time intervals. In order to prevent the fault or power failure of the monitoring center, the controller has data storage capacity, so that accumulated data in the fault period can be uploaded to the monitoring center after the monitoring center is recovered to be normal, and the accumulated data such as flow and the like can be prevented from being lost. 3) The controller has communication function, adopts open communication protocol, has 10BaseT RJ45 communication port, supports TCP/IP protocol, can be reliably connected with communication circuit, and transmits information through full duplex; and an RS232 interface is provided, and the internal data of the controller can be modified on site. 4) A calendar and clock function 5) a power failure protection function 6) a display operation function 7) a control and regulation function, wherein the controller can control and regulate the heat exchange substation and other field devices under the command of a monitoring center and within an allowable range besides performing automatic control and regulation on the site. 8) The configuration function is that the station name, the station number, the physical quantity conversion formula and the limit value of the remote terminal station can be configured in the monitoring center and on site. 9) The incoming call is self-started, and the incoming call is self-started and automatically controlled without manual intervention. 10) The environment temperature curve compensation function is to set a water supply temperature curve or an existing translation curve according to the outdoor temperature and the water supply temperature set value. 11) The temperature control loop sets a secondary water supply temperature set value according to the outdoor temperature, can modify or translate the temperature curve up and down through an operation panel and a monitoring system, and can also move the temperature curve through a time program. 12) The parallel connection of the double valves is supported, and a valve position management mechanism is adopted to sequentially control the two control valves. 13) Alarm control 14) manual or remote control, either through an operator panel or through a monitoring system. 15) The circulating pump can be controlled according to the pressure difference of the secondary side water supply and return water, and simultaneously, the constant pressure and the constant pressure water supplement are supported. The circulation pumps can be automatically switched according to the running time. 16) And (4) water return temperature difference limitation, namely water return temperature difference limitation. The heat exchange efficiency is improved, and therefore the peak value problem is effectively solved. 17) And (4) secondary water supply temperature adjustment, wherein the controller can control the adjusting valve in a closed-loop mode to adjust the flow of the primary water so as to ensure the water supply temperature required by a secondary network. When the load of the pipe network is too large or the heat supply is insufficient, the controller controls the regulating valve to play the role of the flow controller so as to ensure the hydraulic balance of the whole network. 18) And (4) pressure difference alarm, namely, a controller monitors a pressure difference switch of the heat exchanger and the filter and gives an alarm signal when the heat exchanger and the filter are blocked. 19) And (4) temperature protection, namely, because the pressure of the secondary network is low, when the temperature of the secondary network is overhigh and vaporization is caused, the controller receives an alarm signal of the temperature switch, closes the primary water supply regulating valve to protect the heat exchange facility, and simultaneously sends the alarm signal on site and transmits the alarm signal to a heat network control center. 20) And (4) liquid level alarming, namely starting the water replenishing pump by the controller when the secondary backwater pressure is too low. The controller monitors the water level sensor signal set in the water replenishing tank to prevent the float valve system from fault and the water tank from losing water. 21) Automatic control of water tank liquid level 22) video monitoring, 2 cameras are installed at each station, high-definition video cameras are adopted to record real-time pictures of the heating stations, and historical records can be inquired.
2. Function of dispatching center monitoring system
The scheduling center heat network monitoring system is constructed on a NET technical platform, comprehensively supports XML technology and B/S structure, and supports local, remote and wireless terminal equipment from a workstation to a mobile phone and the like based on Internet and wireless network technology; the system has high stability, reliability and safety, and simultaneously has great system flexibility; the method can be widely supported by various communication modes from Ethernet, telephone dialing, radio stations, ADSL, GPRS, optical fiber, power carrier and the like; and the monitoring system platform with comprehensive functions of mass data storage, data mining and analysis is supported.
2.1 characteristics of heat supply network dispatching monitoring center
1) And (3) constructing a distributed system: the high performance requirement is met; 2) full networking structure: the number of terminals is 1000; the ultra-strong terminal supports: PC, mobile phone, palm computer; 3) based on a large database, supporting mass storage equipment; 4) comprehensive redundancy support: storage redundancy and communication redundancy; 5) a super large stepless vector diagram; 6) voice alarm and operation prompt; 7) full-function remote implementation and maintenance: the function implementation and maintenance can be carried out without visiting the site; 8) the configuration and the operation environment are integrated: the user with the configuration authority can enter a configuration state at any time when using the system to perform configuration; 9) automatic engineering function: one-key automatic completion of data source configuration; 10) based on XML data exchange format, the method is open and easy to integrate with other systems: 11) support most communication modes: ethernet, telephone dial, radio, to ADSL, GPRS, CDMA fiber, power line carrier, ZigBee, etc.; 12) the connection of third-party software and the integration of a parallel industrial control system become very easy; 13) a real-name interface is provided, so that data mining, professional data analysis and secondary development of MIS, EPR and other software are facilitated; 14) an open system architecture; 15) mass data storage, wherein a data center of the system is built on a large database and supports mass historical data storage and statistical analysis; 20) the system has extremely high flexibility, the data point number is more than one hundred thousand, and the lower communication station is thousands of large; 16) the SCADA system is as small as a simple local control system with only one computer and can be competent; 17) B/S networking software can access and operate only by a standard IE network browser; 18) the mobile phone client with complete functions is extremely networked and can be used anytime and anywhere; 19) B/S configuration and configuration, support remote maintenance; 20) supplementing historical data after support; 21) video monitoring pictures can be inserted into the monitoring surface; 22) station, area, point multi-level rights management! Super-strong and easy-to-use authority management; 23) the short message alarm function can respectively send the alarm to different mobile phones and also can send one alarm to a plurality of mobile phones; 24) remote communication and scheduling functions thereof; 25) the innovative data source management has the functions of searching, grouping and clipboard, and easily manages mass data sources.
2.2 Heat supply network dispatching monitoring center
The heat supply network dispatching monitoring center consists of a data center, a networked human-computer interface, an authority management system, an operation decision system, a communication system, a configuration tool, authority management and a professional analysis tool software package.
2.3 System architecture
As shown in fig. 1.
2.4 major functions
2.4.1 data acquisition and communication scheduling
The centralized collection of various communication modes is supported, data collection tasks under different communication modes are distributed through communication scheduling, and the scheduling tasks are not influenced by each other. Setting of communication parameters and data acquisition can be carried out; and can check the communication scheduling log and the control log.
And by adopting a multi-thread concurrency technology, communication resources are utilized to the maximum extent, and the performance is optimized to the maximum extent. Meanwhile, a communication task allocation, scheduling, execution and recording mechanism enables the utilization of communication resources to be freely configured, the communication cost is well controlled, the communication manufacturing condition is managed, and the debugging and maintenance of a communication system are greatly facilitated. The system supports all common communication modes, including modes such as Ethernet, optical fiber, ADSL, GPRS, CDMA, APN, VPDN, telephone dialing, power carrier, wireless local area network and the like, and supports protocols such as ModBus, TCP/IP, HTTP, XML, OPC and the like.
2.4.2 monitor Picture
The method supports vector diagram display of most formats, supports super-large monitoring pictures and displays a large-area monitoring system full-graphic form in a large-scale plan view mode. The parameter and the running state can be monitored in real time by pictures.
2.4.3 data storage and processing
The data center comprises a real-time database, an event recording module, an XML data source layer, an OPC server, a client, a data processing module and a data alarm checking module. The real-time database is particularly designed for a monitoring system center, supports mass data storage and supports high-frequency data acquisition.
The XML data source layer provides a data interface in an XML format outwards, the XML interface is the most advanced and common data exchange interface mode, and the data source interface layer in the XML format is provided, so that an external system, software or equipment can be very easily integrated with the HOMS. OPC server and client interfaces are provided to be compatible with the software and hardware supporting such interfaces.
The data center provides strong data processing capacity, and when the original data are recorded, the original data are divided into six levels (year, month, week, day, hour and minute) according to storage intervals for statistics and calculation, and the maximum value, the minimum value and the average value of the time intervals are calculated.
2.4.4 configuration and Allocation of report
The report is the basic function of the monitoring software. Besides providing basic data report functions, the method also provides a report with analysis statistics. HOMS5 provides a report configuration tool built into FrontPage, and engineers can also easily customize reports according to the needs of users.
2.4.5 support report customization
2.4.6 historical data report
And viewing the historical data of all the monitoring sites, and showing the historical data in a report form. The monitoring point is selected by adopting a clipboard mode, so that the monitoring point is very convenient to use. The combination of data sources may be saved for future use without reselection.
2.4.7 support historical data queries
2.4.8 historical and real-time curves and bar charts
Providing real-time and historical curves of data; and the vectorization technology is adopted, so that the picture is exquisite and the expandability is good. The real-time curves can be composed of a single-parameter real-time curve and a similar-parameter real-time curve, and the whole group of parameters in the multi-parameter real-time curve have the same unit and are comparable when the system runs, so that the change trend of the parameters can be intuitively understood. And the single-parameter real-time curve mainly aims at isolated parameters and only shows the running trend of the single-parameter real-time curve in a curve form.
2.4.9 alarm function
Alarms can be set for all parameters. There are many ways to alarm, including alarm prompt on the picture, voice alarm and short message alarm. The alarm module has the characteristics of convenience, flexibility, reliability and easy expansion. Providing a variety of alarm management functions. The method comprises the following steps: event-based alarms, alarm group management, alarm priority, alarm filtering, and the like, as well as remote alarm management over a network. Operator operational information may also be recorded. The alarm has an alarm window output mode, and the alarm window can be closed only after the personnel assigned with alarm management must confirm the alarm, or even if the alarm window is closed, the alarm window still appears on the screen after time delay. The content of the alarm database can be easily browsed and printed, the alarm state can be checked, and the alarm log can be inquired.
2.2.4.10 alarm condition configuration
The alarm of a plurality of different conditions can be set for one parameter, wherein all set alarm modes are displayed in an alarm type drop-down frame, the corresponding alarm mode can be selected according to the requirement, and the alarm can be locked to prohibit the real-time monitoring alarm of the parameter.
2.4.11 alarm mode and configuration of prompt text, voice and short message
Each alarm has its own unique description information that is displayed in the alarm type list at the time of alarm parameter configuration. The alarm has detailed records and can be inquired at any time.
In the lower left corner of the window there is an alarm window, in which the latest 50 alarms are displayed, which are automatically not displayed but kept in the alarm log after the alarm is confirmed. If unconfirmed alarm exists, the system automatically pops up an alarm window for the user to confirm. The alarm can be broadcasted in a voice mode according to the designated configuration content, and the alarm can also be sent to a mobile phone with a designated number.
2.4.12 Mobile phone and palm PC client
The access function of the mobile phone and the palm computer is provided, the operation data of the on-site monitoring system can be checked at any time and any place through the mobile phone or the palm computer, the monitoring picture can be checked, namely the HOMS5 monitoring system is logged in through the mobile phone or the palm computer,
and checking a monitoring picture with real-time data in the monitoring system. The picture is configurable, and after the picture is assembled on the computer, the built picture displayed to the user is the picture effect viewed after the mobile phone logs in. In addition, the mobile phone and the palm computer can be used for monitoring data and carrying out alarm management, such as confirming alarm, releasing alarm by contacting with field personnel in time, and the like.
2.4.13 short message alarm function
The alarm configuration of the monitoring parameters can be customized to be a short message alarm, and when the parameters generate the alarm, the monitoring center can automatically send the alarm to a mobile phone with a specified number. The same alarm can be sent to a plurality of mobile phone numbers.
2.4.14 built-in video monitoring function
The monitoring center platform can be internally provided with video monitoring pictures, and the video monitoring pictures can be moved up and down, left and right, pulled close, pushed far and the like.
The heat power company has 700 straight pipe cells and 74 straight pipe persons by 2019 years, and the average number of the straight pipe cells is about 9. The heat station with about 130 straight pipe cells is expected to be added in the end of 2020, after the unattended heat station control system disclosed by the invention is implemented, the heat station realizes remote monitoring, the pressure for inspecting straight pipe personnel is greatly reduced, under the condition that the number of straight pipe personnel is not changed, 10 straight pipe cells can be directly drilled by one person on average, 16 straight pipe personnel are saved, and the percentage is 21%. The average wages in sunshine cities and towns are calculated according to 4979 yuan/month, the wage expenditure is reduced by about 8 ten thousand yuan per month, the operation cost of an enterprise is reduced, and contribution is made to quality improvement and efficiency improvement of the enterprise.
The above description is only a part of the embodiments of the present invention, and although some terms are used in the present invention, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention and are to be construed as any additional limitation which is not in accordance with the spirit of the invention. The foregoing is merely an illustration of the present invention for the purpose of providing an easy understanding and is not intended to limit the present invention to the particular embodiments disclosed herein, and any technical extensions or innovations made herein are protected by the present invention.
Claims (1)
1. A working method of an unattended heating power station control system is characterized in that the system comprises a heating power station monitoring system and a dispatching monitoring center; the heating power station monitoring system comprises a lower computer module (1), a data processing module (2), a measuring module (3), a data storage module (4), a heating power station communication module (5) and a video monitoring module (6); the dispatching monitoring center comprises an upper computer module (7), a database module (8), a data analysis module (9) and a dispatching monitoring center communication module (10);
the measuring module (3) is used for collecting real-time operation parameters of the heating power station, the video monitoring module (6) is used for collecting real-time picture information of the heating power station, the measuring module (3) and the video monitoring module (6) are connected with the data processing module (2), the data processing module (2) is respectively connected with the data storage module (4) and the lower computer module (1), and the lower computer module (1) is respectively connected with the heating power station communication module (5) and all control points of the heating power station;
the heat station communication module (5) is connected with the dispatching monitoring center communication module (10), the dispatching monitoring center communication module (10) is respectively connected with the upper computer module (7), the database module (8) and the data analysis module (9), and the data analysis module (9) is connected with the upper computer module (7);
the measuring module (3) comprises a heat meter, a flow meter, a water level sensor, a valve position sensor, a pressure sensor and a temperature sensor;
the heating power station monitoring system also comprises an alarm module, the alarm module is respectively connected with the measuring module (3) and the lower computer module (1), and the alarm module is used for alarming to the lower computer module (1) when each measuring parameter exceeds a set alarm threshold value;
the data processing module (2) is connected with an environment temperature compensation module, and the environment temperature compensation module can correct a water supply temperature curve according to outdoor temperature and a water supply temperature set value;
the lower computer module (1) is connected with a backwater temperature difference limiting module, and the backwater temperature difference limiting module is used for adjusting the backwater temperature difference to be in accordance with a set value;
the lower computer module (1) is connected with a secondary water supply temperature adjusting module, and the secondary water supply temperature adjusting module is used for adjusting the secondary water supply temperature to accord with a set value;
the heating power station monitoring system also comprises a power failure protection module and an incoming call self-starting module;
the dispatching monitoring center also comprises an authority management module, and the authority management module can set corresponding operation authority according to the identity of an access person;
the working method of the unattended heating power station control system comprises the following steps:
the measuring module (3) collects real-time operation parameters of the heating power station and sends the real-time operation parameters to the data processing module (2), the video monitoring module (6) collects real-time picture information of the heating power station and sends the real-time picture information to the data processing module (2), the data processing module (2) processes the received data and sends the processed data to the data storage module (4) for storage, and meanwhile the processed data is sent to the lower computer module (1), and the lower computer module (1) controls corresponding control points of the heating power station according to a control strategy; the thermal station communication module (5) remotely transmits data to the dispatching monitoring center communication module (10), the dispatching monitoring center communication module (10) receives the data and then sends the data to the database module (8) for storage, and meanwhile, the data are sent to the data analysis module (9) for analysis and then the analysis result is sent to the upper computer module (7); the upper computer module (7) is in remote communication and scheduling with the lower computer module (1); the control mode of the lower computer module (1) comprises a manual mode, an automatic mode and a remote controlled mode; the manual control is carried out by operators in a manual mode, the automatic control is carried out by programs and running parameters which are arranged in the lower computer module (1) in an automatic mode, and the remote control from the upper computer module (7) is received in a remote control mode.
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| CN202011057805.1A CN112197338B (en) | 2020-09-29 | 2020-09-29 | Unattended heating power station control system and working method thereof |
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| CN112197338B true CN112197338B (en) | 2021-08-31 |
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| CN112944450B (en) * | 2021-02-03 | 2022-06-10 | 大唐吉林发电有限公司热力分公司 | Monitoring method and system for remotely and autonomously controlling heat exchange station equipment |
| CN112984618B (en) * | 2021-03-25 | 2022-08-19 | 河北建研节能设备有限公司 | Intelligent temperature control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3807327A1 (en) * | 1988-03-05 | 1989-09-14 | Gerhard Rambacher | Hot water heating unit |
| CN104867301A (en) * | 2014-11-20 | 2015-08-26 | 青岛同创节能环保工程有限公司 | Building heat supply system wireless data tandem unit |
| CN105721501A (en) * | 2016-04-09 | 2016-06-29 | 杭州迈欧科技有限公司 | Boiler Internet of Things monitoring system |
| CN109140582A (en) * | 2018-09-25 | 2019-01-04 | 天津大学 | A kind of central heating control system |
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