Cone antenna assembly

Patent metadata

Field	Value
Publication number	US-12046799-B2
Application number	US-201917594891-A
Country	US
Kind code	B2
Filing date	Sep 30, 2019
Priority date	Sep 30, 2019
Publication date	Jul 23, 2024
Grant date	Jul 23, 2024

Abstract

Provided is a cone antenna assembly according to the present invention. The cone antenna assembly comprises: a first substrate; a second substrate which is spaced a certain distance from the first substrate and provided with a ground layer; a cone emitter which is provided between the first substrate and the second substrate and has an upper portion connected to the first substrate, a lower portion connected to the second substrate, and an opening section provided in the upper portion; and an antenna frame which is made of a dielectric material and configured to be fastened to the second substrate together with the cone emitter. The present invention can provide a cone antenna assembly that operates in a wide frequency bandwidth from a low frequency bandwidth to a 5G Sub 6 bandwidth, and enhance the convenience of assembling the cone antenna assembly.

First claim

What is claimed is:

1. A cone antenna assembly comprising:
a first substrate;
a second substrate spaced apart from the first substrate by a predetermined distance and having a ground layer;
a cone radiator provided between the first substrate and the second substrate, having an upper portion connected to the first substrate and a lower portion connected to the second substrate, and having an upper aperture;
a feeder disposed on the second substrate to transmit a signal through a lower aperture;
an antenna frame formed of a dielectric material and fastened to the second substrate together with the cone radiator,
wherein the antenna frame is accommodated inside the cone radiator;
a supporter integrally formed with the antenna frame is fastened to the second substrate to fix and support the cone radiator outside the cone radiator; and
a metal patch disposed on a front surface of the first substrate, wherein the signal from the feeder is radiated through the dielectric material of the antenna frame inside the cone radiator to be coupled to the metal patch.

2. The cone antenna assembly of claim 1 , wherein the cone radiator has the upper aperture and a lower aperture each formed in a circular shape, an oval shape, or a polygonal shape.

3. The cone antenna assembly of claim 1 ,
wherein an upper portion of the antenna frame, the upper aperture and a lower aperture of the cone radiator are formed in a rectangular shape, and
wherein the metal patch is implemented as a rectangular patch having an outer side in a rectangular shape.

4. The cone antenna assembly of claim 3 , wherein the supporter is connected to the second substrate through side apertures formed through side surfaces of the cone radiator, and
wherein the second substrate and the supporter are fixed by fasteners inserted into the supporter from a rear surface of the second substrate.

5. The cone antenna assembly of claim 3 , wherein the cone radiator is formed by press working, and
wherein the antenna frame is formed by injection molding, and a lower fixture integrally formed with the antenna frame is fastened to the second substrate to fix and support the cone radiator.

6. The cone antenna assembly of claim 1 , wherein an outer fixture of the cone radiator is fixed by being soldered on a ground formed on a bottom of the first substrate.

7. The cone antenna assembly of claim 1 , wherein the antenna frame is formed by insert-injection to accommodate the cone radiator, and
wherein a plurality of bolt accommodating portions are formed in the antenna frame, and the first substrate and the antenna frame are fixed by bolts accommodated in the bolt accommodating portions.

8. The cone antenna assembly of claim 7 , wherein the second substrate and the antenna frame are fixed by bolts accommodated in the plurality of bolt accommodating portions from a rear surface of the second substrate.

9. The cone antenna assembly of claim 7 , further comprising a shorting pin configured to connect the metal patch and the ground formed on the second substrate,
wherein the shorting pin is provided as a single shorting pin to prevent a null of a radiation pattern from being generated in an elevation direction.

10. The cone antenna assembly of claim 1 , wherein the cone radiator further comprises:
a plurality of outer rims defining the upper aperture of the cone radiator and connecting the cone radiator to the first substrate; and
a plurality of bolt accommodating portions formed in the outer rims such that the outer rims are connected to the first substrate, and
wherein the first substrate and the cone radiator are fixed by a plurality of fasteners accommodated in the bolt accommodating portions.

11. The cone antenna assembly of claim 1 ,
wherein the feeder is formed in a ring shape corresponding to a shape of the lower aperture.

12. The cone antenna assembly of claim 11 , wherein the feeder is soldered on the second substrate, such that a signal from a signal line disposed on the second substrate is transmitted to the cone radiator through the feeder.

13. An electronic device having a cone antenna assembly, the electronic device comprising:
a cone antenna assembly that comprises:
a first substrate;
a second substrate spaced apart from the first substrate by a predetermined distance and having a ground layer;
a cone radiator provided between the first substrate and the second substrate, having an upper portion connected to the first substrate and a lower portion connected to the second substrate, and having an upper aperture; and
an antenna frame formed of a dielectric material and fastened to the second substrate together with the cone radiator; and

a transceiver circuit connected to the cone radiator through a feeder and configured to control a signal to be radiated through the cone radiator,
wherein the feeder is disposed on the second substrate to transmit a signal through a lower aperture,
wherein the antenna frame is accommodated inside the cone radiator;
a supporter integrally formed with the antenna frame is fastened to the second substrate to fix and support the cone radiator outside the cone radiator; and
a metal patch disposed on a front surface of the first substrate,
wherein the signal from the feeder is radiated through the dielectric material of the antenna frame inside the cone radiator to be coupled to the metal patch.

14. The electronic device of claim 13 , wherein the upper aperture and a lower aperture of the cone radiator are formed in a rectangular shape.

15. The electronic device of claim 13 , wherein the antenna frame is formed by insert-injection to accommodate the cone radiator, and
wherein a plurality of bolt accommodating portions are formed in the antenna frame, and the first substrate and the antenna frame are fixed by bolts accommodated in the bolt accommodating portions.

16. A vehicle having a cone antenna assembly, the vehicle comprising:
a cone antenna assembly that comprises:
a first substrate;
a second substrate spaced apart from the first substrate by a predetermined distance and having a ground layer;
a cone radiator provided between the first substrate and the second substrate, having an upper portion connected to the first substrate and a lower portion connected to the second substrate, and having an upper aperture;
an antenna frame formed of a dielectric material and fastened to the second substrate together with the cone radiator;
a metal patch disposed on a front surface of the first substrate,
wherein the signal from the feeder is radiated through the dielectric material of the antenna frame inside the cone radiator to be coupled to the metal patch, and
wherein the antenna frame is accommodated inside the cone radiator; and
a supporter integrally formed with the antenna frame is fastened to the second substrate to fix and support the cone radiator;

a transceiver circuit connected to the cone radiator through a feeder and configured to control a signal to be radiated through the cone radiator,
wherein the feeder is disposed on the second substrate to transmit a signal through a lower aperture; and
a baseband processor configured to perform communication with at least one of an adjacent vehicle, a Road Side Unit (RSU), or a base station via the transceiver circuit.

17. The vehicle of claim 16 , wherein the upper aperture and a lower aperture of the cone radiator are formed in a rectangular shape.

18. The vehicle of claim 16 , wherein the antenna frame is formed by insert-injection to accommodate the cone radiator, and
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Assignees

• Lg Electronics Inc

Inventors

• Ryu Seungwoo
• Lee Joohee
• Jung Junyoung
• Kim Hyungjung

Classifications

• H01Q9/0407

  Substantially flat resonant element parallel to ground plane, e.g. patch antenna (dipole H01Q9/285; monopole H01Q9/40) · CPC title

• H01Q1/36 Primary

  Structural form of radiating elements, e.g. cone, spiral, umbrella; {Particular materials used therewith}(H01Q1/08, H01Q1/14 take precedence) · CPC title

• H01Q1/243

  with built-in antennas · CPC title

• H01Q1/46

  Electric supply lines or communication lines · CPC title

• H01Q9/32

  Vertical arrangement of element (H01Q9/40 takes precedence) · CPC title