VEHICLE COMPUTER APPARATUS
A vehicle computer apparatus includes a circuit board ( 1 ) integrating an electronic control unit ( 10 ), a global navigation satellite system ( 20 ), a dedicated short-range communication technology system ( 30 ), a satellite digital audio radio service system ( 40 ), a long term evolution technology system ( 50 ), a wireless network system ( 60 ), a plurality of long term evolution technology antennas ( 2 ), a dedicated short-range communication technology antenna ( 3 ), a satellite digital audio radio service antenna ( 4 ), a global navigation satellite system antenna ( 5 ) and two wireless network antennas ( 6 ). Under the control of the electronic control unit ( 10 ), a variety of communication systems and a variety of navigation systems mentioned above can perform wireless calls, vehicle navigations and message transmissions between vehicles, so that the vehicle computer apparatus can be used in any country and place.
1 . A vehicle computer apparatus arranged in an installation space ( 802 ) on a vehicle roof ( 801 ), the vehicle computer apparatus comprising:
a circuit board ( 1 );
a plurality of long term evolution technology antennas ( 2 ) electrically connected to the circuit board ( 1 ), arranged at four corners of the circuit board ( 1 ) and forming a polygonal area;
a dedicated short-range communication technology antenna ( 3 ) electrically connected to the circuit board ( 1 ), arranged in the polygonal area ( 1 ) and adjacent to one of the long term evolution technology antennas ( 2 );
a satellite digital audio radio service antenna ( 4 ) electrically connected to the circuit board ( 1 ), arranged in the polygonal area and adjacent to one of the long term evolution technology antennas ( 2 );
a global navigation satellite system antenna ( 5 ) electrically connected to the circuit board ( 1 ), arranged in the polygonal area and adjacent to one of the long term evolution technology antennas ( 2 ) and the satellite digital audio radio service antenna ( 4 ); and
two wireless network antennas ( 6 ) electrically connected to the circuit board ( 1 ), arranged on edges of the polygonal area, arranged between two of the long term evolution technology antennas ( 2 ) and arranged correspondingly to each other.
2 . The vehicle computer apparatus of claim 1 , wherein the long term evolution technology antennas ( 2 ) and the two wireless network antennas ( 6 ) are made of bended metal sheets.
3 . The vehicle computer apparatus of claim 1 , wherein a quantity of the long term evolution technology antennas ( 2 ) is four.
4 . The vehicle computer apparatus of claim 1 , wherein the dedicated short-range communication technology antenna ( 3 ) is an antenna in a nail shape.
5 . The vehicle computer apparatus of claim 1 , wherein the global navigation satellite system antenna ( 5 ) and the satellite digital audio radio service antenna ( 4 ) are planar antennas made of ceramics.
6 . The vehicle computer apparatus of claim 1 further comprising:
an electronic control unit ( 10 ) arranged on the circuit board ( 1 );
a global navigation satellite system ( 20 ) arranged on the circuit board ( 1 ) and electrically connected to the electronic control unit ( 10 ) and the global navigation satellite system antenna ( 5 );
a dedicated short-range communication technology system ( 30 ) arranged on the circuit board ( 1 ) and electrically connected to the electronic control unit ( 10 ) and the dedicated short-range communication technology antenna ( 3 );
a satellite digital audio radio service system ( 40 ) arranged on the circuit board ( 1 ) and electrically connected to the electronic control unit ( 10 ) and the satellite digital audio radio service antenna ( 4 );
a long term evolution technology system ( 50 ) arranged on the circuit board ( 1 ) and electrically connected to the electronic control unit ( 10 ) and the long term evolution technology antenna ( 2 ); and
a wireless network system ( 60 ) arranged on the circuit board ( 1 ) and electrically connected to the electronic control unit ( 10 ) and the wireless network antenna ( 6 ).
7 . The vehicle computer apparatus of claim 6 , wherein the global navigation satellite system ( 20 ) comprises:
an active circuit ( 201 ) electrically connected to the electronic control unit ( 10 ); and
an amplifying circuit ( 202 ) electrically connected to the electronic control unit ( 10 ).
8 . The vehicle computer apparatus of claim 7 , wherein the global navigation satellite system ( 20 ) further comprises a global positioning system, a global satellite navigation system, a Galileo positioning system, a Beidou satellite navigation system, a wide area augmentation system, an European geostationary navigation overlay service system and a multi-functional satellite augmentation system.
9 . The vehicle computer apparatus of claim 6 , wherein the satellite digital audio radio service system ( 40 ) comprises:
an active circuit ( 401 ) electrically connected to the electronic control unit ( 10 ); and
an amplifying circuit ( 402 ) electrically connected to the electronic control unit ( 10 ).
10 . The vehicle computer apparatus of claim 1 , wherein a depth of the installation space ( 802 ) is between 15 mm˜20 mm.
11 . The vehicle computer apparatus of claim 9 , wherein a depth of the installation space ( 802 ) is 17 mm.
12 . The vehicle computer apparatus of claim 6 further comprising:
a power supply unit ( 70 ) electrically connected to the electronic control unit ( 10 ).
13 . The vehicle computer apparatus of claim 6 , wherein the electronic control unit ( 10 ) comprises
a microprocessor;
a memory electrically connected to the microprocessor;
an input/output interface electrically connected to the microprocessor;
an analog-digital converter electrically connected to the microprocessor; and
a shaping-driving circuit electrically connected to the microprocessor.