UNIVERSAL MOUNTING PANEL FOR A ROTARY-WING DRONE
The drone body ( 10 ) comprises a frame ( 12 ), integral with arms ( 14 ) for connection to propulsion units ( 16 ), an electronic board ( 24 ) carrying components as well as accelerometer, inertial and altimeter sensors, a support for this board, and an elastic interface ( 26 ) between the frame and the board support, to filter and absorb the mechanical vibrations. The board support is a panel ( 22 ) made of an electrically conductive metal material. The panel carries on a back side thermally conductive areas at places located opposite heat-sink electronic components mounted on the board on the back side. The panel is moreover electrically connected to a ground potential of the electronic board, so as to form an electromagnetic shielding screen. It is further mechanically connected to the frame with uncoupling by the elastic interface ( 26 ) interposed between the panel and the frame.
1 . A rotary-wing drone, comprising a drone body ( 10 ) and a plurality of propulsion units ( 16 ) mounted at the end of respective connection arms ( 14 ), the drone body ( 10 ) comprising:
a frame ( 12 ), integral with arms for connection to the propulsion units;
an electronic board ( 24 ), carrying electronic components as well as accelerometer, inertial and altimeter sensors;
a support for the electronic board; and
an elastic interface ( 26 ) between the frame and the board support, comprising a material adapted to filter and absorb mechanical vibrations corning from the propulsion units,
characterized in that:
the drone body comprises a panel ( 22 ) made of an electrically conductive metal material, this panel forming said electronic board support, the electronic board ( 24 ) being fixed to a back side of this panel;
the panel carries on a back side thermally conductive areas ( 52 ) at places located opposite at least one heat-sink electronic component ( 54 ) mounted on the electronic board of the back side;
the panel is electrically connected to a ground potential of the electronic board, so as to form an electromagnetic shielding screen for this electronic board; and
the panel is mechanically connected to the frame with uncoupling by said elastic interface ( 26 ) interposed between the panel and the frame.
2 . The drone of claim 1 , wherein the electrically conductive metal material of the panel comprises magnesium and alloys thereof.
3 . The drone of claim 1 , wherein the elastic interface comprises a plurality of support spacers ( 26 ) interposed between the panel and the frame, each spacer comprising a stud ( 28 ) made of elastomeric material with a first end ( 30 ) connected to the panel and a second, opposite, end ( 34 ) connected to the frame.
4 . The drone of claim 1 , wherein the panel ( 22 ) is a continuous single-piece panel, except for orifices ( 58 , 59 , 60 ) for the passage of connection wires and/or sensor signals of the electronic board.
5 . The drone of claim 4 , wherein the panel ( 22 ) further comprises longitudinal edges ( 22 ) forming a lateral shielding with respect to electronic components mounted on the back side of the electronic board.
6 . The drone of claim 1 , wherein the panel comprises on the back side an access cavity ( 62 ) to connectors for connection to an auxiliary electronic circuit.
7 . The drone of claim 6 , wherein the auxiliary electronic circuit comprises at least one radiofrequency antenna component.
8 . The drone of claim 1 , further comprising a video camera ( 70 ), mechanically integral with the electronic board.
9 . The drone of claim 1 , wherein the at least one heat-sink electronic component ( 54 ) mounted on the back side of the electronic board is one of: a microcontroller, a memory component, a video camera.
10 . The drone of claim 1 , wherein the drone body supports a drone power-supply rechargeable removable battery ( 68 ), and the panel further comprises at least one loop ( 64 ) for the passage of a fixation strap ( 66 ) of this removable battery.