The point temperature of the tunnel furnace and the speed of the consumption line, wherein the temperature is measured by a thermocouple, and the functions of automatic compensation of cold junction temperature, linearization of thermocouple and digital filtering are provided; the setting of each point and the actual temperature (speed) can be displayed. The value and graph of the degree have the function of data storage; and the historical curve of the actual temperature/speed of each point can be displayed; the set value of the degree can be set online or corrected, and the sound and light alarm function of the over-limit and thermocouple can be broken. The tunnel furnace can set or correct the upper and lower alarm values ​​of the temperature (speed) of each point on-line; the dual-mode control or the ambiguous PID control or other advanced control algorithms can be selected online, and has output limiting and anti-integration saturation functions. Can print a variety of charts and data; also has auxiliary functions; the system has a strong anti-jamming ability; in addition, it has the advantages of less investment, intuitive human-machine interface, and convenient operation.
The technical products of the project include inspection and control equipment, industrial control machines, computer software and equipment maintenance; tunnel furnaces are commonly used heating equipment for industrial consumer enterprises. The baked object is placed on the conveyor belt in the center of the tunnel furnace, and moved in the furnace at a certain moving speed, and then discharged from the other end of the furnace. The temperature distribution curve of the furnace in the tunnel furnace is unchanged. The temperature range of each point is usually between 0 and 1000 °, which can be divided into three zones: preheating, firing and cooling. The automatic control of the furnace temperature is only controlled by a plurality of representative temperature points in the tunnel furnace. The control system can choose to simultaneously control two furnaces.
Warning light generally used in the maintenance of road safety, is usually used in the police car, truck, fire engine, ambulance, prevention management, road maintenance vehicle, tractor, car emergency A/S car, mechanical equipment, such as development, machinery, electricity, machine tools, chemical industry, telecommunications, shipbuilding, metallurgy and other electric control circuit for controlling the signal interlock, and so on.
In recent years, solar warning lights have gradually replaced conventional battery warning lights.
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