Vacuum Cleaner

Abstract

The invention relates to a vacuum cleaner with an electronic control unit and a dirt collecting container, which has a suction inlet and is in flow connection with a suction unit via a suction extraction line, the suction unit being connected to at least one air outlet via at least one air duct. To develop the vacuum cleaner in such a way that, in a structurally simple manner, the production of noise can be kept low and heat-sensitive components can be protected from being damaged, it is proposed according to the invention that at least one air duct is sealed off by means of a sound-insulating sealing mat which is produced from a flame-retardant material and covers the electrical control unit.

1 . Vacuum cleaner with an electronic control unit and a dirt collecting container, which has a suction inlet and is in flow connection with a suction unit via a suction extraction line, the suction unit being connected to at least one air outlet via at least one air duct, wherein at least one air duct is sealed off by means of a sound-insulating sealing mat which is produced from a flame-retardant material and covers the electrical control unit. 
   
   
       2 . Vacuum cleaner according to  claim 1 , wherein the sealing mat is elastically deformable. 
   
   
       3 . Vacuum cleaner according to  claim 1 , wherein the sealing mat is produced from a foamed thermosetting material. 
   
   
       4 . Vacuum cleaner according to  claim 1 , wherein the sealing mat is produced from a foamed thermosetting material from the group of aminoplastics. 
   
   
       5 . Vacuum cleaner according to  claim 1 , wherein the sealing mat has a thermal conductivity of less than 0.04 W/mK. 
   
   
       6 . Vacuum cleaner according to  claim 1 , wherein the vacuum cleaner has a housing part with a hood which covers a separating wall part, the separating wall part having a base from which two separating walls protrude with a spacing in between, defining an air duct between them, and the sealing mat being disposed between the hood and the separating walls. 
   
   
       7 . Vacuum cleaner according to  claim 6 , wherein the electronic control unit is disposed laterally alongside a separating wall, outside the air duct. 
   
   
       8 . Vacuum cleaner according to  claim 7 , wherein the electronic control unit is connected to at least one cooling element, which protrudes into the air duct. 
   
   
       9 . Vacuum cleaner according to  claim 1 , wherein the suction unit is covered by the sealing mat. 
   
   
       10 . Vacuum cleaner according to  claim 1 , wherein the suction unit has an electric motor, which is cooled by external air and is connected via a first air duct to a cooling air outlet, and wherein the suction unit has a suction turbine, which is driven by the electric motor and is connected via a second air duct to a suction air outlet, the sealing mat sealing off the first and second air ducts. 
   
   
       11 . Vacuum cleaner according to  claim 1 , wherein the electronic control unit is electrically connected to at least one electromagnetic closing valve, which closes an external air inlet, it being possible for the side of a filter disposed in the flow path between the dirt collecting container and the suction unit that is oriented away from the dirt collecting container to be impinged upon by external air via the external air inlet in an impulsive manner for cleaning purposes. 
   
   
       12 . Vacuum cleaner according to  claim 11 , wherein current can be applied by means of the electronic control unit to an electromagnet for closing the closing valve, it being possible for the current supply to be interrupted in a time-controlled manner.