High reliability, high precision, releasable mounting systems and methods
A releasable mounting system and method for semi-permanently attaching to a ferrous material surface, comprising a base assembly having a plurality of magnetic-assisted suction cup (MASC) mounting assemblies connected to a base plate for semi-permanently attaching to the ferrous material surface. Each MASC mounting assembly has a suction cup and at least one magnet providing additional fixturing of the base assembly to the ferrous material surface. The system may include a rooftop assembly comprising a shell and a pivotally mounted mast assembly biased in an upright position. The rooftop assembly on a vehicle rooftop may include sensors providing information to a computer inside the vehicle, including information with respect to the orientation of the mast on top of the vehicle during a mobile survey. All of the data gathered from the rooftop assembly may be wirelessly communicated to the computer inside the vehicle.
1 . A releasable mounting system for semi-permanently attaching to a surface of a vehicle, comprising:
a rooftop assembly ( 40 ) comprising:
a mast assembly ( 80 ) comprising a mast support ( 42 ), a tubular member ( 82 , 84 ), and an upper housing assembly ( 90 ) comprising a Global Navigation Satellite System (GNSS) antenna ( 92 ) and an anemometer ( 96 ), the GNSS antenna ( 92 ) mounted above the anemometer ( 96 ) at the highest point of the mast assembly ( 80 );
a shell ( 44 ) having a pair of upright stanchions ( 50 ) aligned parallel to a longitudinal axis of the shell ( 44 ), the pair of upright stanchions ( 50 ) spaced from one another by a distance allowing the mast support ( 42 ) to be positioned therebetween and pivotally mounted to the pair of upright stanchions ( 50 ),
wherein the mast assembly ( 80 ) is biased in an upright position and allowed to pivot in forward and rearward directions from the upright position, and
at least one sensor ( 69 ) for detecting the orientation of the mast assembly ( 80 ).
2 . The releasable mounting system of claim 1 , wherein the at least one sensor ( 69 ) is a Hall effect sensor.
3 . The releasable mounting system of claim 1 , wherein the at least one sensor ( 69 ) comprises first and second Hall effect sensors, the first Hall effect sensor positioned at a location forward of the mast support ( 42 ) and the second Hall effect sensor positioned at a location rearward of the mast support ( 42 ).
4 . The releasable mounting system of claim 1 , further comprising:
a repulsive forward-facing magnet ( 64 ) on the mast support ( 42 );
a repulsive rearward-facing magnet ( 64 ) on the mast support ( 42 );
a front repulsive magnet ( 60 ) on the shell ( 44 ); and
a rear repulsive magnet ( 62 ) on the shell ( 44 ),
wherein as the mast assembly ( 80 ) pivots from the biased upright position towards the forward direction, the repulsive forward-facing magnet ( 64 ) moves closer to the front repulsive magnet ( 60 ) and a repulsion force is created when the repulsive forward-facing magnet ( 64 ) and the front repulsive magnet ( 60 ) are in proximity to one another, the repulsion force serving to dampen the fall of the mast assembly ( 80 ) in the forward direction, and
wherein as the mast assembly ( 80 ) pivots from the biased upright position towards the rearward direction, the repulsive rearward-facing magnet ( 64 ) moves closer to the rear repulsive magnet ( 62 ) and a repulsion force is created when the repulsive rearward-facing magnet ( 64 ) and the rear repulsive magnet ( 62 ) are in proximity to one another, the repulsion force serving to dampen the fall of the mast assembly ( 80 ) in the rearward direction.
5 . The releasable mounting system of claim 1 , further comprising:
a portable computer (T) inside the vehicle; and
the rooftop assembly ( 40 ) further comprises:
a microcontroller ( 71 ) arranged and designed to receive signals or data from the GNSS antenna ( 92 ), the anemometer ( 96 ), and the at least one sensor ( 69 ); and
a second antenna ( 70 ) arranged and designed to receive and send signals from the microcontroller ( 71 ),
wherein the portable computer (T) is arranged and designed to receive signals wirelessly from the second antenna ( 70 ).
6 . The releasable mounting system of claim 5 , wherein the microcontroller ( 71 ) is a Bluetooth microcontroller and the second antenna ( 70 ) is a Bluetooth antenna.
7 . The releasable mounting system of claim 5 , wherein the rooftop assembly ( 40 ) further comprises an electronic receiver ( 74 ) adapted to receive signals from the GNSS antenna ( 92 ) and provide signals to the microcontroller ( 71 ).
8 . The releasable mounting system of claim 5 , wherein the rooftop assembly ( 40 ) further comprises:
a pressure sensor ( 76 ) for detecting the ambient pressure and providing a pressure signal to the microcontroller ( 71 ); and
a temperature sensor ( 77 ) for detecting the ambient temperature and providing a temperature signal to the microcontroller ( 71 ),
wherein the pressure and temperature signals are transmitted wirelessly from the second antenna ( 70 ) to the computer (T) inside the vehicle.
9 . The releasable mounting system of claim 1 , further comprising:
a base assembly ( 22 , 222 ) having a plurality of magnetic-assisted suction cup mounting assemblies ( 100 ) for semi-permanently attaching to a ferrous material surface of the vehicle,
wherein the rooftop assembly ( 40 , 240 ) releasably connects to the base assembly ( 22 , 222 ).
10 . The releasable mounting system of claim 9 , wherein the base assembly ( 22 , 222 ) further comprises:
a base plate ( 24 , 224 ), the plurality of magnetic-assisted suction cup mounting assemblies ( 100 ) adjustably connected to the base plate ( 24 , 224 );
each magnetic-assisted suction cup mounting assembly ( 100 ) comprising:
a suction cup ( 108 ); and
at least one magnet ( 107 ) providing additional fixturing of the base assembly ( 22 , 222 ) to the ferrous material surface.
11 . The releasable mounting system of claim 10 , wherein the base assembly further comprises:
a crossbar ( 230 ) connected to a pair of support towers ( 231 ), the support towers ( 231 ) adapted to be releasably secured to a pair of roof rails on the vehicle rooftop; and
the base plate ( 224 ) is connected to the crossbar ( 230 ).
12 . The releasable mounting system of claim 11 , wherein the crossbar ( 230 ) includes an upper T-slot ( 230 t ) extending along the length of the crossbar ( 230 ) and an endcap ( 233 ) removably enclosing an end of the crossbar ( 230 ); and
the base assembly ( 22 ) further comprises:
a pair of threaded fasteners ( 224 f ) extending from a bottom of the base plate ( 224 );
a pair of T-nut knobs ( 225 ), one T-nut knob ( 225 ) threaded onto each threaded fastener ( 224 f ); and
a pair of T-nuts ( 227 ), one T-nut ( 227 ) connected to an end of each threaded fastener ( 224 f ),
wherein each T-nut knob ( 225 ) is allowed to travel up and down the threaded fastener ( 224 f ) between the base plate ( 224 ) and the T-nut ( 227 ), the pair of T-nuts ( 227 ) are slidably received within the upper T-slot ( 230 t ) of the crossbar ( 230 ) and the T-nut knobs ( 225 ) are tightened securely onto the crossbar ( 230 ) when the base plate ( 224 ) is properly positioned on the vehicle rooftop.
13 . The releasable mounting system of claim 12 , wherein the roof rails are parallel with a longitudinal axis of the vehicle and the crossbar ( 230 ) is mounted transverse to the pair of roof rails.
14 . The releasable mounting system of claim 11 , wherein the crossbar ( 230 ) comprises:
a passageway extending to an end of the crossbar ( 230 );
an extension member ( 235 ) slidingly received within the passageway; and
an endcap ( 233 ) attached to the crossbar ( 230 ), the endcap ( 233 ) adapted to close off the end of the crossbar ( 230 ).
15 . A releasable mounting system for semi-permanently attaching to a surface of a vehicle, comprising:
a rooftop assembly ( 40 ) comprising:
a mast assembly ( 80 ) comprising a mast support ( 42 ), a tubular member ( 82 , 84 ), and an upper housing assembly ( 90 ) comprising a Global Navigation Satellite System (GNSS) antenna ( 92 ) and an anemometer ( 96 ), the GNSS antenna ( 92 ) mounted above the anemometer ( 96 ) at the highest point of the mast assembly ( 80 );
a shell ( 44 ) having a pair of upright stanchions ( 50 ) aligned parallel to a longitudinal axis of the shell ( 44 ), the pair of upright stanchions ( 50 ) spaced from one another by a distance allowing the mast support ( 42 ) to be positioned therebetween and pivotally mounted to the pair of upright stanchions ( 50 ), at least one upright stanchion ( 50 ) including a stanchion magnet ( 56 );
the mast support ( 42 ) including at least one mounted support magnet ( 58 ),
wherein an attraction force exists between the stanchion magnet ( 56 ) and the support magnet ( 58 ) when the mast support ( 42 ) is in an upright position, the magnetic attraction force biasing the mast assembly ( 80 ) in the upright position, and wherein the mast assembly ( 80 ) is allowed to pivot in at least one direction from the upright position; and
at least one sensor ( 69 ) for detecting the orientation of the mast assembly ( 80 ).
16 . The releasable mounting system of claim 15 , further comprising:
a first repulsive magnet ( 64 ) on the mast support ( 42 );
a second repulsive magnet ( 62 ) on the shell ( 44 );
wherein as the mast assembly ( 80 ) pivots in the at least one direction from the biased upright position, the first repulsive magnet ( 64 ) moves closer to the second repulsive magnet ( 62 ) and a repulsion force is created when the first and second repulsive magnets magnet ( 64 , 62 ) are in proximity to one another, the repulsion force serving to dampen the fall of the mast assembly ( 80 ) in the at least one direction.
17 . The releasable mounting system of claim 15 , further comprising:
a portable computer (T) inside the vehicle; and
the rooftop assembly ( 40 ) further comprises:
a microcontroller ( 71 ) arranged and designed to receive signals or data from the GNSS antenna ( 92 ), the anemometer ( 96 ), and the at least one sensor ( 69 ); and
a second antenna ( 70 ) arranged and designed to receive and send signals from the microcontroller ( 71 ),
wherein the portable computer (T) is arranged and designed to receive signals wirelessly from the second antenna ( 70 ).
18 . The releasable mounting system of claim 17 , wherein the rooftop assembly ( 40 ) further comprises:
a pressure sensor ( 76 ) for detecting the ambient pressure and providing a pressure signal to the microcontroller ( 71 ); and
a temperature sensor ( 77 ) for detecting the ambient temperature and providing a temperature signal to the microcontroller ( 71 ),
wherein the pressure and temperature signals are transmitted wirelessly from the second antenna ( 70 ) to the computer (T) inside the vehicle.
19 . The releasable mounting system of claim 15 , further comprising:
a base assembly ( 22 , 222 ) having a plurality of magnetic-assisted suction cup mounting assemblies ( 100 ) for semi-permanently attaching to a ferrous material surface of the vehicle,
wherein the rooftop assembly ( 40 , 240 ) releasably connects to the base assembly ( 22 , 222 ).