Ventilation system for a room

Abstract

The present invention relates to a ventilation system for a room which comprises a hood for domestic use located in said room, a wall fan located in said room, a plurality of transducers configured to detect a respective plurality of characteristic parameters of the gases in said room; processing and control means in signal communication with said plurality of transducers and in signal communication with said first control means, processing and control means electrically connected with said plurality of transducers and in signal communication with said first control means, said processing and control means comprising firmware configured to process said detected characteristic parameters and to transmit a first control signal to control said hood for domestic use. The characterizing feature is that said hood for domestic use is in signal communication with said wall fan via a first transmitter module, located in said hood, and configured to transmit a second signal, said wall fan comprising a first receiver module configured to receive said second signal; said second radio frequency signal being generated by said hood according to said first signal to instruct said second control means to turn on said wall fan and keep it in this state for a first predetermined ON-time when one or more of said characteristic parameters detected by said plurality of sensors exceed respective predetermined threshold values.

1 . A ventilation system for a room comprising:
 a hood for domestic use located in said room and having first control means;   a wall fan located in said room and having second control means;   a plurality of transducers configured to detect a respective plurality of characteristic parameters of the gases in said room;   processing and control means electrically connected with said plurality of transducers and in signal communication with said first control means, said processing and control means comprising firmware configured to process said characteristic parameters detected by one or more of said plurality of transducers and to transmit a first control signal to control said filter hood;   wherein:   said hood for domestic use is in signal communication with said wall fan via a first transmitter module, located in said hood, and configured to transmit a second signal, said wall fan comprising a first receiver module, located in said wall fan, and configured to receive said second signal; and   said second signal being generated by said hood according to said first signal to instruct said second control means to turn on said wall fan and keep it in this state for a first predetermined ON-time when one or more of said characteristic parameters detected by said plurality of sensors exceed respective predetermined threshold values.   
     
     
         2 . A ventilation system for a room as claimed in  claim 1 , wherein said first signal also instructs to turn on said hood for domestic use and keeps it in said ON-state for a second predetermined ON-time according to said first signal. 
     
     
         3 . A ventilation system for a room as claimed in  claim 1 , wherein said first transmitter module is a radio frequency transmitter module and said first receiver module is a radio frequency receiver module. 
     
     
         4 . A ventilation system for a room as claimed in  claim 1 , wherein said processing and control means comprise a second radio frequency transmitter module configured to transmit said first radio frequency signal to the first control means of said hood, the latter comprising a second radio frequency receiver module configured to receive said first radio frequency signal, said second radio frequency signal being generated by said processing means to turn on said first control means when one or more of said detected characteristic parameters exceed respective predetermined threshold values. 
     
     
         5 . A ventilation system for a room as claimed in  claim 1 , wherein said processing and control means are external to said hood for domestic use and/or said wall fan. 
     
     
         6 . A ventilation system for a room as claimed in  claim 1 , wherein said processing and control means are incorporated in said hood for domestic use and/or said wall fan. 
     
     
         7 . A ventilation system for a room as claimed in  claim 1 , wherein said plurality of transducers are external to said hood, said wall fan, and/or said processing and control means. 
     
     
         8 . A ventilation system for a room as claimed in  claim 1 , wherein one or more of said plurality of transducers are incorporated in said hood for domestic use, said wall fan and/or said processing and control means. 
     
     
         9 . A ventilation system for a room as claimed in  claim 1 , wherein said first and second radio-frequency transmitter modules and said first and second radio-frequency receiver modules comply with Bluetooth, IR or Zigbee specifications. 
     
     
         10 . A ventilation system for a room as claimed in  claim 1 , wherein said plurality of transducers are selected from the group of smoke-, odor-, temperature-sensing transducers. 
     
     
         11 . A ventilation system for a room as claimed in  claim 1 , wherein said hood for domestic use is a filter hood.