Intelligent position control method
A position-based control and intelligent technology, applied in heating methods, household heating, lighting and heating equipment, etc., can solve problems such as difficult control of heating systems
Active Publication Date: 2017-11-10
DALIAN MARITIME UNIVERSITY
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Problems solved by technology
[0004] However, due to the large inertia, pure hysteresis and time-varying nature of the temperature control of the heat exchange station, it is difficult to control the heating system
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[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0040] figure 1 It is a flow chart of the intelligent bit type control method of the present invention, as figure 1 As shown, the method of this embodiment includes:
[0041] Step 101, setting the target temperature of the average temperature of the supply and return water in the secondary network of the heat exchange station according to the me...
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The invention provides an intelligent position control method. This method includes: setting the target temperature of the average temperature of the supply and return water of the secondary network of the heat exchange station according to the measured outdoor temperature; setting the upper limit and the lower limit of the temperature according to the target temperature; The relationship controls the valve position of the pressurized pump to be at the upper limit, middle limit or lower limit of the valve position; the middle limit of the valve position is determined according to the target temperature, the measured temperature, and the middle limit of the valve position of the previous operation cycle; the middle limit of the valve position is determined according to the middle limit of the valve position Determine the upper limit and lower limit of the valve position; control the valve position of the booster pump of the primary network according to the target temperature, the actual measured temperature, the middle limit of the valve position, the upper limit of the valve position and the lower limit of the valve position, so that the secondary network can actually measure the supply and return water. The average temperature reaches the target temperature. The invention not only realizes energy-saving heat supply, improves the efficiency of the heat supply system, does not change the valve position frequently, reduces pressure fluctuations, ensures that the pressure of the primary pipe network is within a safe range, and prolongs the life of the actuator.
Description
technical field [0001] The embodiment of the present invention relates to the technical field of automatic control, in particular to an intelligent bit control method. Background technique [0002] Heating is to transport the heat generated by the heat source to the room to keep the room at a certain temperature to create suitable living or working conditions. The heating system consists of three main parts: heat source (heat medium preparation), heat network (pipe network or heat medium delivery), and heat user (heat medium utilization). The basic working principle of the heating system: the low-temperature heat medium is heated in the heat source, and after absorbing heat, it becomes a high-temperature heat medium (high-temperature water or steam), which is transported to the heat exchange station through the water supply pipeline of the primary network. The heat transfer to the secondary network becomes a low-temperature heat medium, and the low-temperature heat medium i...
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IPC IPC(8): F24D19/10
Inventor 王文标刘永齐汪思源孟松韩新洁郑赫刘维聪
Owner DALIAN MARITIME UNIVERSITY