ventilation cover with a light source

Abstract

A cover for a fan with an outer plate ( 2 ) which is attachable to an inner plate ( 1 ) via connecting means ( 2 b ). Between the outer plate ( 2 ) and the inner plate ( 1 ) a gap ( 12 ) is provided for the passage of air between the outer plate and the inner plate. In the outer plate ( 2 ) an LED panel ( 4 ) is provided such that the LED panel ( 4 ) is electrically connected to a power supply via the connecting means ( 2 b ).

1 . A cover for a ventilation device, comprising
 an outer plate ( 2 ), the outer plate ( 2 ) being attachable to an inner plate ( 1 ) via connecting means ( 2   b ),   the cover further providing a gap ( 12 ) for the passage of air between the outer plate ( 2 ) and the inner plate ( 1 ),   wherein an LED panel ( 4 ) is provided in the outer plate ( 2 ) such that the LED panel ( 4 ) is electrically connected to a power supply via the connecting means ( 2   b ).   A cover assembly comprising the cover according to  claim 1  and an inner plate ( 1 ) with an air inlet (la).   The cover assembly ( 3 ) according to claim  2 ,   characterized in that   the connecting means comprise snap fits with   a female part ( 20 ;  28 ;  33 ) which is provided at one of the plates ( 101 ,  102 ;  201 ,  202 ;  301 ,  302 ) and with   a male part ( 21 ;  27 ;  32 ) which is provided at the other one of the plates ( 101 ,  102 ;  201 ,  202 ;  301 ,  302 ), the male part ( 21 ;  27 ;  32 ) and the female part ( 20 ;  28 ;  33 ) mating in a mounted state.   The cover assembly ( 3 ) according to claim  3 ,   characterized in that   the snap fits maintain the inner plate ( 101 ;  201 ;  301 ) and the outer plate ( 102 ;   202; 302) at a predetermined distance, thereby leaving a gap ( 12 ) for the passage of air between the inner plate ( 101 ;  201 ;  301 ) and the outer plate ( 102 ;  202 ;  302 ).   The cover assembly ( 3 ) according to claim  3  or claim  4 ,   characterized in that   the female part ( 20 ) comprises at least two resilient arms and the male part ( 21 ) comprises a base portion ( 22 ) and a top portion ( 23 ), the width of the top portion ( 23 ) being greater than the width of the base portion ( 22 ) and the resilient arms being formed to enclose the top portion ( 23 ) of the male part ( 21 ) in an attached state.   The cover assembly ( 3 ) according to claim  3  or claim  4 ,   characterized in that   the male part comprises a plug ( 27 ) having resilient arms with protruding ends ( 29 ), and   the female part comprises an opening ( 28 ), such that the resilient arms are locked in the opening ( 28 ) by the form fit of the protruding ends ( 29 ).   The cover assembly ( 3 ) according to claim  3  or claim  4 ,   characterized in that   the male part comprises a pin ( 32 ) with one or more grooves on its surface, and   the female part comprises two or more resilient arms ( 33 ) which fit into the grooves of the male part ( 32 ).   The cover assembly ( 3 ) according to claim  2 ,   characterized in that   the connecting means comprises   a hinge with an upper arm ( 35 ) and a lower arm ( 36 ),   an opening in the outer plate ( 402 ) which takes up the hinge,   the upper arm ( 35 ) being connected to the inner plate ( 401 ),   the lower arm ( 36 ) being connected to the lower end of the upper arm ( 35 ) by a joint such that the lower arm ( 36 ) can be rotated about a horizontal axis, and the hinge having a mechanism to fix the lower arm ( 36 ) at a predetermined angle relative to the upper arm ( 35 ).   The cover assembly ( 3 ) according to claim  2 ,   characterized in that   the connecting means comprises   a threaded bolt ( 40 ) being attached to the inner plate ( 501 ), an opening in the outer plate ( 502 ) for receiving the bolt ( 40 ) and a nut on the thread of the bolt ( 40 ).   The cover assembly ( 3 ) according to claim  2 ,   characterized in that   the connecting means comprises   a plug ( 43 ) with protruding ends ( 45 ) which is connected to one of the plates ( 601 , 602 ), and   rotatable angles ( 44 ) which are provided at the other one of the plates ( 601 ,  602 ), the protruding ends ( 45 ) of the plug ( 43 ) fitting into the space between the rotatable angles ( 44 ) and the plate on which the angles are provided.   The cover assembly ( 3 ) according to one of the aforementioned claims,   characterized in that   the LED panel ( 4 ) is provided in an integral form in the center of the outer plate ( 2 ;  102 ;  202 ;  302 ;  402 ;  502 ;  602 ).   The cover assembly ( 3 ) according to one of the aforementioned claims,   characterized in that   the cover assembly is connected with two power supply terminals, one terminal for the LED panel ( 4 ) and one terminal for the fan.   The cover assembly ( 3 ) according to one of the aforementioned claims,   characterized in that   a timer switches off the fan a fixed time after the LED panel ( 4 ) has been switched off.   A ventilation unit with a cover assembly ( 3 ) according to one of the aforementioned claims.