Double frequency vertical polarization antenna and television
Disclosed are a double frequency vertical polarization antenna and a television. The double frequency vertical polarization antenna includes a dielectric substrate, and the dielectric substrate includes a power feeding surface and a mounting surface arranged oppositely. The double frequency vertical polarization antenna further includes a power feeder and an antenna part. The power feeder is provided on the power feeding surface of the dielectric substrate, and the antenna part is provided on the mounting surface of the dielectric substrate. The antenna part includes a high-frequency radiation unit and a low-frequency radiation unit spaced apart from each other. Both the high-frequency radiation unit and the low-frequency radiation unit are penetrated through the dielectric substrate and electrically connected to the power feeder.
1. A double frequency vertical polarization antenna, comprising:
a dielectric substrate, comprising a power feeding surface and a mounting surface oppositely arranged;
a power feeder, provided on the power feeding surface of the dielectric substrate; and
an antenna part, provided on the mounting surface of the dielectric substrate, and comprising a high-frequency radiation unit and a low-frequency radiation unit spaced apart from the high-frequency radiation unit, both the high-frequency radiation unit and the low-frequency radiation unit being penetrated through the dielectric substrate and electrically connected to the power feeder;
the low-frequency radiation unit is arranged in a rectangular shape, a long side of the low-frequency radiation unit defines two rectangular slots parallel to a short side of the low-frequency radiation unit, the two rectangular slots are arranged at an interval, and a connecting section arranged at an angle of 45° with a horizontal plane is formed between the two rectangular slots.
2. The double frequency vertical polarization antenna of claim 1 , further comprising a combiner provided on the power feeding surface, wherein the high-frequency radiation unit comprises a high-frequency power feeding point, the low-frequency radiation unit comprises a low-frequency power feeding point, and the high-frequency power feeding point and the low-frequency power feeding point are electrically connected to the power feeder through the combiner.
3. The double frequency vertical polarization antenna of claim 2 , wherein a power feeding point structure is protruded from the connecting section, and the low-frequency power feeding point is provided on the power feeding point structure.
4. The double frequency vertical polarization antenna of claim 1 , wherein the low-frequency radiation unit is arranged in a rectangular shape, and the long side of the low-frequency radiation unit defining the two rectangular slots defines ground holes.
5. The double frequency vertical polarization antenna of claim 1 , wherein the two rectangular slots are symmetrically distributed on both sides of a line connecting midpoints of long sides of the low-frequency radiation unit.
6. The double frequency vertical polarization antenna of claim 5 , further comprising a combiner provided on the power feeding surface, wherein the high-frequency radiation unit comprises a high-frequency power feeding point, the low-frequency radiation unit comprises a low-frequency power feeding point, and the high-frequency power feeding point and the low-frequency power feeding point are electrically connected to the power feeder through the combiner.
7. The double frequency vertical polarization antenna of claim 6 , wherein a power feeding point structure is protruded from the connecting section, and the low-frequency power feeding point is provided on the power feeding point structure.
8. The double frequency vertical polarization antenna of claim 7 , wherein the high-frequency radiation unit is arranged in a circular shape, and the high-frequency power feeding point is located at a center of the high-frequency radiation unit.
9. The double frequency vertical polarization antenna of claim 8 , wherein the high-frequency radiation unit has a thickness of 1.6 mm and a diameter of 33 mm.
10. The double frequency vertical polarization antenna of claim 8 , wherein the high-frequency radiation unit further defines a metalized via spaced apart from the high-frequency power feeding point, and the metalized via is configured to excite a vertical mode.
11. The double frequency vertical polarization antenna of claim 10 , wherein multiple metalized vias are provided, and the multiple metalized vias are evenly spaced along a circumference of the high-frequency radiation unit.
12. A television, mounted with a double frequency vertical polarization antenna,
wherein the double frequency vertical polarization antenna comprises: a dielectric substrate, comprising a power feeding surface and a mounting surface oppositely arranged;
a power feeder, provided on the power feeding surface of the dielectric substrate; and
an antenna part, provided on the mounting surface of the dielectric substrate, and comprising a high-frequency radiation unit and a low-frequency radiation unit spaced apart from the high-frequency radiation unit, both the high-frequency radiation unit and the low-frequency radiation unit being penetrated through the dielectric substrate and electrically connected to the power feeder;
the low-frequency radiation unit is arranged in a rectangular shape, a long side of the low-frequency radiation unit defines two rectangular slots parallel to a short side of the low-frequency radiation unit, the two rectangular slots are arranged at an interval, and a connecting section arranged at an angle of 45° with a horizontal plane is formed between the two rectangular slots.
13. The television of claim 12 , comprising two double frequency vertical polarization antennas arranged in a mirror image.