Water Extinguishing System and Associated Method for Controlling the Water Extinguishing System

Abstract

The invention relates to a water extinguishing system ( 1 ) with a fluid supply ( 20 ), a pump ( 30 ) and a test line ( 40 ) with an opening element ( 2 ) which is configured to open the test line ( 40 ) during a test run of the pump ( 30 ). According to the invention, the test line ( 40 ) further comprises a closing element ( 4 ) which is configured to close the test line ( 40 ) if the water extinguishing system ( 1 ) is triggered.

1 . (canceled) 
     
     
         2 . The water extinguishing system according to  claim 5 , wherein the closing element is configured to move from an unlocking position into a locking position if the water extinguishing system is triggered, in which the closing element closes the test line, wherein the locking position corresponds to an energetically favorable home position of the closing element. 
     
     
         3 . A water extinguishing system, comprising:
 a fluid supply for providing an extinguishing fluid;   a pump which is configured to pump the extinguishing fluid from the fluid supply into a distribution pipe, and   a test line which branches off from the distribution pipe and is configured to conduct the extinguishing fluid pumped by the pump,   wherein the test line has an opening element which is configured to open the test line during a test run of the pump,   wherein the test line has a closing element which is configured to close the test line if the water extinguishing system is triggered, and   wherein the distribution pipe has a distribution pipe shutter configured to interrupt a fluid flow through the distribution pipe during a test run of the pump, the distribution pipe shutter further being configured to release the fluid flow through the distribution pipe if the water extinguishing system is triggered.   
     
     
         4 . The water extinguishing system according to  claim 3 , wherein the opening element and/or the closing element and/or the distribution pipe shutter are controlled automatically. 
     
     
         5 . A water extinguishing system comprising:
 a fluid supply for providing an extinguishing fluid;   a pump which is configured to pump the extinguishing fluid from the fluid supply into a distribution pipe, and   a test line which branches off from the distribution pipe and is configured to conduct the extinguishing fluid pumped by the pump,   wherein the test line has an opening element which is configured to open the test line during a test run of the pump,   wherein the test line has a closing element which is configured to close the test line if the water extinguishing system is triggered, and   wherein the water extinguishing system further has a trigger switch, the first trigger switch being configured to close the test line by means of the closing element if the water extinguishing system is triggered.   
     
     
         6 . The water extinguishing system according to  claim 5 , wherein the water extinguishing system has an alarm valve, the alarm valve having the trigger switch. 
     
     
         7 . The water extinguishing system according to  claim 5 , wherein the trigger switch is arranged at the distribution pipe downstream of the junction of the test line. 
     
     
         8 . A water extinguishing system comprising:
 a fluid supply for providing an extinguishing fluid;   a pump which is configured to pump the extinguishing fluid from the fluid supply into a distribution pipe, and   a test line which branches off from the distribution pipe and is configured to conduct the extinguishing fluid pumped by the pump,   wherein the test line has an opening element which is configured to open the test line during a test run of the pump, and   wherein the test line has a closing element which is configured to close the test line if the water extinguishing system is triggered, and   the system further having a fire reporting and/or extinguishing control center, wherein the fire reporting and/or extinguishing control center is configured to close the test line by means of the closing element if the water extinguishing system is triggered.   
     
     
         9 . The water extinguishing system according to  claim 4 , wherein the closing element and/or the distribution pipe shutter is provided with at least one of the following closing devices:
 a deluge valve,   a pilot-controlled solenoid valve,   a directly controlled solenoid valve, and   a fail-safe motorized slide valve.   
     
     
         10 . The water extinguishing system according to  claim 9 , wherein the triggering of the closing element and/or of the distribution pipe shutter is a hydraulic, pneumatic, electric and/or pneumatic-electric triggering. 
     
     
         11 . The water extinguishing system according to  claim 5 , wherein the water extinguishing system further comprises a control unit configured to control an automatic test run of the pump. 
     
     
         12 . The water extinguishing system according to  claim 11 , wherein the control unit is configured to interrupt the automatic test run and to close the test line by the closing element if the water extinguishing system is triggered. 
     
     
         13 . The water extinguishing system according to  claim 11 , wherein the control unit is configured to release the fluid flow through the distribution pipe by a distribution pipe shutter if the water extinguishing system is triggered. 
     
     
         14 . A control unit for controlling an automatic pump test run of a water extinguishing system comprising:
 a fluid supply for providing an extinguishing fluid;   a pump which is configured to pump the extinguishing fluid from the fluid supply into a distribution pipe, and   a test line which branches off from the distribution pipe and is configured to conduct the extinguishing fluid pumped by the pump,   wherein the test line has an opening element which is configured to open the test line during a test run of the pump,   wherein the test line has a closing element which is configured to close the test line if the water extinguishing system is triggered, and   wherein the control unit is configured:   to start an automatic test run of the pump,   to receive a trigger signal indicative of a triggering of the water extinguishing system, and   to abort the test run by controlling the closing element of the test line when the trigger signal is received.   
     
     
         15 . The control unit according to  claim 14 , wherein the control unit is further configured:
 to control a distribution pipe shutter in the distribution pipe of the water extinguishing system, wherein the distribution pipe shutter is configured to interrupt a fluid flow through the distribution pipe in response to the controlling, and   to control the distribution pipe shutter again, wherein the distribution pipe shutter is configured to release the fluid flow through the distribution pipe of the water extinguishing system again in response to the renewed controlling.   
     
     
         16 . The control unit according to  claim 14 , wherein the control unit is further configured:
 to store and evaluate measured values of at least one sensor arranged in or at the test line.   
     
     
         17 . A fire reporting and/or extinguishing control center, which is configured to control the closing element for closing the test line if a fire is detected, wherein said closing element is arranged in a test line of a water extinguishing system according to  claim 5 . 
     
     
         18 . The fire reporting and/or extinguishing control center according to  claim 17 , wherein the fire reporting and/or extinguishing control center is further configured to control a distribution pipe shutter arranged in the distribution pipe of the water extinguishing system for releasing a fluid flow through the distribution pipe. 
     
     
         19 .- 22 . (canceled)