Control device of heating equipment for road maintaining
The utility model relates to a control device of heating equipment for road maintenance, which is used for controlling the cyclic and timed heating of a heating element and the operation of a blower fan. The control device comprises an igniter, an electromagnetic valve installed on the outlet of a l...
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Zusammenfassung: | The utility model relates to a control device of heating equipment for road maintenance, which is used for controlling the cyclic and timed heating of a heating element and the operation of a blower fan. The control device comprises an igniter, an electromagnetic valve installed on the outlet of a liquefied gas bottle and a cycle timer, wherein, the cycle timer comprises a cyclic timing single chip computer, a power switch K, a voltage stabilizing noise-immune unit composed of a voltage stabilizing tube and a capacitor, a resistor, a triode and a field effect tube, and the blower fan is controlled by a time-delay relay and comprises a switch K, a diode, three resistors, a capacitor, a triode, a relay and a normally open contact. The control device can control the heating element to cyclically and time-fixedly heat pavement, and the blower fan can be delayed to run for a definite time after stopping heating to improve the security of heating equipment, having the advantage of high automatization. |
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