Control apparatus for a fire pump, operation display apparatus for a fire pump and operation mode control apparatus for a fire pump
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Accused Products
Abstract
In a fire pump adapted to force out the water, which is pumped from a water source, from a nozzle provided at a front end portion of a delivery hose, a nozzle control unit 8 adapted to control the fire pump remotely is provided in the vicinity of the nozzle. The nozzle control unit 8 is connected to a body of the fire pump 1 by power source lines 33. On the nozzle control unit 8, a control instruction unit for instructing an operating mode of the pump 1, and a numerical value display unit for displaying the operation condition of the fire pump are provided. The transmitting and receiving of an operation control signal and a condition display signal are done between the pump 1 and nozzle control unit 8 by power line communication via the power source lines 33, whereby the operation condition of the pump 1 is feedback displayed in real time in response to a control operation of a nozzle operator.
41 Citations
22 Claims
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1-20. -20. (canceled)
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21. An operation mode control apparatus for a fire pump having at least operation modes of the fire pump, said operation mode control apparatus comprising:
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an operation mode switching unit switching operation modes; and
a mode setting delay unit for delaying, when the operation mode is switched by the operation mode switching unit, the setting of the switched operation mode for a predetermined period of time. - View Dependent Claims (22)
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Specification