CN112068481A - Boiler remote intelligent control system and method - Google Patents

Abstract

The invention relates to a boiler remote intelligent control system and method, wherein the system comprises a boiler, a PLC (programmable logic controller), a pressure transmitter, an upper computer touch screen, DTU (data transfer unit) equipment and a remote server, the PLC is electrically connected with the boiler, the DTU equipment connects the PLC to the remote cloud server, and the output end of the pressure transmitter is connected to the PLC. This control system very big has saved manpower, material resources and financial resources, reaches but the boiler automatic operation, does not need human intervention, and the user can long-range reading and writing parameter, makes remote control more convenient, and the required heat that consumes of automatic calculation heating accomplishes the heat not extravagant, and the energy saving reduces the operation cost, makes boiler control system operation stable, and the rational utilization energy is in best operating condition, and can realize long-range both-way transmission, reaches boiler intelligent control.

Description

Boiler remote intelligent control system and method

Technical Field

The invention relates to a remote intelligent control system and method for a boiler, belongs to the technical field of intelligent control of boilers, and is applied to the industry of heating and heat exchange.

Background

The existing electric boiler is mainly controlled by controllers such as a field PLC (programmable logic controller) or a touch screen, personnel are required to go to equipment for field adjustment when the boiler is required to be controlled, twenty-four hours of operation of workers are required, manpower, material and financial resources are wasted, meanwhile, the historical operation records of the equipment are not stored, the historical operation conditions of the equipment cannot be inquired, the data and the comparison are not convenient, the temperature control is inaccurate, and the equipment is unstable in operation.

Disclosure of Invention

The invention aims to provide a boiler remote intelligent control system and a boiler remote intelligent control method, which aim to solve the problems of labor cost consumption in field adjustment, no history inquiry, inaccurate temperature control and the like by connecting a PLC (programmable logic controller) with a remote server.

The invention provides a boiler remote intelligent control system which comprises a boiler, a PLC (programmable logic controller), a pressure transmitter, an upper computer touch screen, DTU (data transfer unit) equipment and a remote server.

A boiler remote intelligent control method is characterized by comprising the following steps:

1.) automatically capturing the weather condition of the second day through the heat surplus of the boiler on the same day and the weather forecast, automatically pre-judging the total heat required to be consumed by the heating on the next day, automatically pre-judging the heating time required at the time interval of the late ebb according to the maximum stored heat of the boiler, a heat efficiency curve and the like, writing specific parameters into a PLC (programmable logic controller) of the boiler through remote communication, and achieving the purpose that the boiler meets the heat requirement on the basis of using the least amount of electricity charge, thereby saving the operation cost and being safe and reliable;

2.) the remote cloud server has a remote reading and writing parameter function, so that a user can read and modify boiler operation parameters at any computer or mobile phone APP, remote control is realized, and the system is safer and more efficient;

3.) the PLC controller is connected to a remote cloud server through the DTU, the field device data is transmitted to the cloud server, the program automatically captures the daytime weather condition through the heat surplus today and weather forecast, automatically pre-judges the total heat consumed by the solar heating, automatically pre-judges the heating time required by the time interval at the late ebb according to the maximum stored heat of the boiler, a heat efficiency curve and the like, and writes specific parameters into the PLC controller through remote communication, so that the boiler meets the heat requirement on the basis of using the minimum electricity charge, and the operation cost is saved, and the system is safe and reliable;

4.) data transmission: the pressure transmitter converts the sensed pressure into a current and voltage signal, and the output end of the pressure transmitter is connected to the PLC;

5.) the data information processed by the PLC is transmitted to a touch screen of an upper computer in a wireless communication mode, the PLC transmits the data to the upper computer through internet access communication or modbus485 communication, and the upper computer is used for receiving wireless communication signal information transmitted by the PLC and displaying the acquired data through the touch screen of the upper computer; the touch screen of the upper computer is connected with the DTU through modbus 485;

6.) the DTU transmits data to a remote cloud server through a 4G network or the Internet, a model in the remote cloud server is made into a calculation and judgment output decision value through data acquisition and past experience and learning experience, a program automatically transmits the decision value to the DTU through a wide area network, and then the DTU transmits the decision value to a PLC controller to complete remote intelligent control of the boiler.

According to the boiler remote intelligent control system and method provided by the invention, the PLC is connected with the remote server, the weather condition of the second day is automatically captured in the heat surplus of the boiler on the same day and the weather forecast, the total heat required to be consumed by heating on the next day is automatically pre-judged, the heating time required at the time interval of the late ebb is automatically pre-judged according to the maximum stored heat and heat efficiency curve of the boiler and the like, and specific parameters are written into the boiler controller or the PLC through remote communication, so that the boiler meets the heat requirement on the basis of using the least amount of electricity charges, and the boiler remote intelligent control system and method not only save the operation cost, but also are safe and reliable. Meanwhile, the remote reading and writing parameter function is attached, so that a user can read and modify the boiler operation parameters at any computer, remote control is realized, and the system is safer and more efficient. The PLC controller can be connected to a remote server through a DTU, field device data are transmitted to a remote cloud server, a pressure transmitter converts sensed pressure into a current voltage signal, the output of the pressure transmitter is connected to the PLC, the PLC transmits the data to an upper computer touch screen through Internet access communication or modbus485 communication, the upper computer touch screen is connected with the DTU through modbus485, the DTU transmits the data to the cloud server through a 4G network or the Internet, a model in the cloud server is made into a decision value for calculation and judgment through data acquisition and past experience learning experience, a program automatically transmits the decision value to the DTU through a wide area network, and the DTU transmits the decision value to the PLC controller of the boiler, so that remote intelligent control over the boiler is completed.

The system and the method greatly save manpower, material resources and financial resources required in the operation of equipment, the boiler can automatically operate without human intervention, a user can read and write parameters remotely, the remote control is more convenient, the heat consumed by heating is automatically calculated, the heat is not wasted, the energy is saved, the operation cost is reduced, and the system and the method are an ideal intelligent control system for the modern boiler.

Drawings

FIG. 1 is a schematic flow chart of a boiler remote intelligent control system provided by the invention.

Detailed Description

Referring to fig. 1, a flow chart of a boiler remote control system according to the present invention is shown. This control system includes boiler, PLC controller 1, pressure transmitter 2, host computer touch-sensitive screen 3, DTU equipment 4, remote server 5, PLC controller and boiler electric connection, DTU equipment 4 is connected to remote server 5 with the PLC controller 1 of boiler, and wherein the output of pressure transmitter 2 is connected to PLC controller 1.

The method comprises the following steps: 1.) automatically capturing the open-day weather condition in the heat surplus and weather forecast of the boiler today, automatically pre-judging the total heat required to be consumed by open-day heating, automatically pre-judging the heating time required at the late ebb point time period according to the maximum stored heat and heat efficiency curve of the boiler and the like, and writing specific parameters into a controller PLC of the boiler through remote communication, so that the boiler meets the heat requirement on the basis of using the least amount of electricity charge, thereby saving the operation cost and being safe and reliable; 2.) remote server has long-range reading and writing parameter function simultaneously, and the user can read and modify boiler operation parameter at arbitrary computer or cell-phone APP, realizes remote control, and is safer high-efficient.

3.) can be connected to remote server through DTU with boiler controller or PLC, with field device data transmission to remote cloud server, the program will be through this day heat surplus and weather forecast automatic snatch the open-day weather condition, automatic predetermine the total heat that open-day heating needs to be consumed, and according to boiler maximum stored heat and thermal efficiency curve etc. automatic predetermine the time length that needs to heat in the time slot of late ebb, and write into boiler controller or PLC with concrete parameter through remote communication, reach the boiler and use the basis of minimum electricity charge and satisfy the heat demand, both save the operation cost and safe and reliable.

4.) data transmission flow: the pressure transmitter converts the sensed pressure into a current voltage signal, and the output of the pressure transmitter is connected to the PLC;

5.) the data information processed by the PLC is transmitted to a touch screen of an upper computer in a wireless communication mode, the PLC transmits the data to the upper computer through internet access communication or modbus485 communication, and the upper computer is used for receiving wireless communication signal information transmitted by the PLC and displaying the acquired data through the touch screen of the upper computer; the touch screen of the upper computer is connected with the DTU through modbus 485;

6.) the DTU transmits data to the cloud server through the 4G network or the Internet, the model in the cloud server is made into a calculation and judgment output decision value through data acquisition and past experience and learning experience, the program automatically transmits the decision value to the DTU through the wide area network, and then the DTU transmits the decision value to the boiler controller, so that remote intelligent control of the boiler is completed. The system and the method greatly save manpower, material resources and financial resources, achieve automatic operation of the boiler, do not need human intervention, enable users to read and write parameters remotely, enable remote control to be more convenient and faster, automatically calculate the heat required to be consumed for heating, achieve no waste of heat, save energy, reduce operation cost, enable the operation of a boiler control system to be more stable, reasonably utilize energy, be in an optimal working state, realize remote two-way transmission and achieve intelligent control of the boiler.

Claims (2)

1. The utility model provides a boiler remote intelligent control system which characterized in that: including the boiler, the PLC controller, pressure transmitter, host computer touch-sensitive screen, DTU equipment, remote server, PLC controller and boiler electric connection, the DTU equipment is connected to the PLC controller to long-range cloud ware, pressure transmitter's output is connected to the PLC controller.

2. A boiler remote intelligent control method is characterized by comprising the following steps:

1.) automatically capturing the weather condition of the second day through the heat surplus of the boiler on the same day and the weather forecast, automatically pre-judging the total heat consumed by the heating on the next day, automatically pre-judging the heating time required at the time interval of the late ebb according to the maximum stored heat of the boiler, a heat efficiency curve and the like, and writing specific parameters into a PLC (programmable logic controller) of the boiler through remote communication to meet the heat requirement of the boiler on the basis of using the least amount of electricity charge;

2.) the remote cloud server has a remote reading and writing parameter function, and a user can read and modify boiler operation parameters at any computer or mobile phone APP to realize remote control;

3.) the PLC controller is connected to a remote cloud server through the DTU, the field device data is transmitted to the cloud server, the program automatically captures the daytime weather condition through the heat surplus today and weather forecast, automatically pre-judges the total heat consumed by the solar heating, automatically pre-judges the heating time required by the time interval at the late ebb according to the maximum stored heat of the boiler, a heat efficiency curve and the like, and writes specific parameters into the PLC controller through remote communication, so that the boiler meets the heat requirement on the basis of using the minimum electricity charge, and the operation cost is saved, and the system is safe and reliable;

4.) data transmission: the pressure transmitter converts the sensed pressure into a current and voltage signal, and the output end of the pressure transmitter is connected to the PLC;

5.) data information processed by the PLC is transmitted to a touch screen of an upper computer in a wireless communication mode, the PLC transmits data to the upper computer through internet access communication or modbus485 communication, the upper computer is used for receiving wireless communication signal information transmitted by the PLC and displaying the acquired data through the touch screen of the upper computer, and the touch screen of the upper computer is connected with the DTU through the modbus 485;

6.) the DTU transmits data to a remote cloud server through a 4G network or the Internet, a model in the remote cloud server is made into a calculation and judgment output decision value through data acquisition and past experience and learning experience, a program automatically transmits the decision value to the DTU through a wide area network, and then the DTU transmits the decision value to a PLC controller to complete remote intelligent control of the boiler.

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