KR101053444B1 - Single Pattern Dual Polarization Antenna with Improved Feeding Structure - Google Patents

Abstract

The present invention relates to a single-pattern dual polarization antenna with improved feeding structure, wherein the single-pattern dual polarization antenna with improved feeding structure according to the present invention is formed by a dipole element having a predetermined shape on the upper surface of a printed circuit board. A radiating element; A second radiation formed on the lower surface of the printed circuit board and made of at least one dipole element having the same shape as the dipole element of the first radiating element, and is connected to the first radiating element to form a single pattern device; And a via hole penetrating through the printed circuit board to transmit a first feed signal to the first radiating element through the via hole, and a second feed signal formed on a lower surface of the printed circuit board. Directly transmitted to, the feeder is formed integrally with the printed circuit board; comprises.

Accordingly, the present invention forms a first radiating element and a second radiating element connected to each other in a single pattern on the upper and lower surfaces of the printed circuit board instead of using a separate power feeding PCB. An integrated feeder for supplying a feed signal to the radiating element and the second radiating element is formed on the printed circuit board, thereby reducing the number of parts and reducing the manufacturing process time, thereby reducing the manufacturing cost, and reducing the soldering process, resulting in defective products. By preventing the delay in advance, there is an effect of providing a single pattern dual polarization antenna having an improved feed structure that improves productivity.

Feed structure, dual polarized antenna, single pattern, feed hole, balun hole, via hole

Description

Single Pattern Type Dual Polarization Antenna for improving feed structure}

The present invention relates to a single-pattern dual polarization antenna with improved feeding structure, and more particularly, instead of using a separate feeding PCB, the single-pattern is connected to the upper and lower surfaces of the printed circuit board in a single pattern. A single pattern double pattern improves a feeding structure in which a first radiating element and a second radiating element are respectively formed, and an integrated feeder is formed on the printed circuit board to supply a feed signal to the first radiating element and the first radiating element. It relates to a polarized antenna.

As a technology of a conventional single-pattern dual polarization antenna, a dual polarization broadband antenna having a single pattern of the patent application No. 10-0853670 filed and filed by the present applicant has a plurality of folded dipole elements in a single radiation pattern of square Because the device is formed, the structure is simple and the cost is reduced, and the dual polarized wave and broadband characteristics can be easily obtained by combining the structure of the feeder that feeds the signal in a double and the multiple folded dipole elements connected in a single pattern. The current inputted at the feed point of the feed portion may be induced only into the folded dipole element without being introduced into another feed point.

However, the related art has a separate power feeding PCB in order to have a feeding structure for feeding a signal to the radiating element in a double manner to generate a double polarization orthogonal to each other.

In this case, the power feeding PCB is formed in a form in which two feed lines orthogonal to each other cross each other on both top and bottom surfaces of the power feeding PCB.

As such, the conventional single-pattern dual polarized antenna uses a separate feeder PCB so that two feed lines which are perpendicular to each other are not connected to each other, so that the number of parts increases and the manufacturing process increases, thereby increasing the manufacturing cost. There is a problem of increasing, and at the same time there is a problem in that the productivity of the radiating element formed on the upper surface of the printed circuit board and the soldering process of the power feeding PCB is increased to increase the productivity.

Therefore, in order to double feed the signal to the single patterned dual polarized antenna, the feeding structure including the PCB for feeding is improved to reduce the number of parts and simplify the manufacturing process, thereby reducing the manufacturing cost and improving productivity. High technology is desperately required.

Therefore, the present invention has been made to solve the above problems, the present invention is a first pattern connected to each other in a single pattern on the upper and lower surfaces of the printed circuit board instead of using a separate power supply PCB By forming a radiating element and a second radiating element, respectively, an integrated feeder for supplying feed signals to the first radiating element and the second radiating element is formed on the printed circuit board, thereby reducing the number of parts and shortening the manufacturing process time. It is an object of the present invention to provide a single-pattern dual polarized antenna that improves a feed structure that improves productivity by reducing manufacturing costs and preventing solder defects by reducing soldering processes.

In order to achieve the above object, a single-pattern dual polarization antenna having an improved feed structure according to an embodiment of the present invention includes: a first radiating element formed of a predetermined dipole element on an upper surface of a printed circuit board; A second radiation formed on the lower surface of the printed circuit board and made of at least one dipole element having the same shape as the dipole element of the first radiating element, and is connected to the first radiating element to form a single pattern device; And a via hole penetrating through the printed circuit board to transmit a first feed signal to the first radiating element through the via hole, and a second feed signal formed on a lower surface of the printed circuit board. And a power supply unit which is directly transmitted to and integrally formed with the printed circuit board.

As described above, the present invention forms a first radiating element and a second radiating element that are connected to each other in a single pattern on the upper and lower surfaces of the printed circuit board instead of using a separate power feeding PCB. And an integrated feeder for supplying feed signals to the first radiating element and the second radiating element on the printed circuit board, thereby reducing the number of parts and reducing the manufacturing process time, thereby reducing the manufacturing cost and reducing the soldering process. There is an effect of providing a single-pattern dual polarized antenna with improved feed structure to improve productivity by preventing defects in the product in advance.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing a configuration of a single pattern dual polarization antenna having an improved power supply structure according to an embodiment of the present invention.

As shown in FIG. 1, a single patterned dual polarization antenna having an improved power supply structure according to an embodiment of the present invention includes a first formed of a dipole element 110 having a predetermined shape on an upper surface of a printed circuit board 1. A radiating element 100; At least one dipole element (210,220,230) formed on the bottom surface of the printed circuit board 1 and having the same shape as the dipole element of the first radiating element 100, and the first radiating element 100 A second radiating element 200 connected and formed in a single pattern; And a via hole penetrating the printed circuit board 1 to transmit a first feed signal to the first radiating element 100 through the via hole, and a second feed signal to a lower portion of the printed circuit board 1. And a power supply unit 300 which is directly transmitted to the second radiating element 200 formed on the surface and formed integrally with the printed circuit board 1.

2 is a detailed view illustrating a power supply unit of a single pattern dual polarization antenna having an improved power supply structure according to an embodiment of the present invention.

Referring to Figure 2 will be described in detail with the power supply of the single-pattern dual polarization antenna with improved power supply structure according to an embodiment of the present invention of FIG.

As shown in FIG. 2, the feed part 300 is connected to the upper surface of the printed circuit board 1, and the inner conductor of the first feed cable to which the first feed signal is applied is the printed circuit board 1. A first feeding hole 311 connected through the second power supply hole; A first balun hole 312 connected to the first radiating element 100 and the second radiating element 200 at the same time, and having a second balun cable inserted into and connected to the first feed cable in a pair; ; A first feed pattern 313 formed on an upper surface of the printed circuit board 1 and electrically connecting the first feed hole 311 and the first balun hole 312 to each other; The outer conductor of the first feed cable formed around the first feed hole 311 on the lower surface of the printed circuit board 1 to apply the first feed signal is connected to the second radiating element 200. A first ground pattern 314 connected thereto; A second feed hole 321 connected to a lower surface of the printed circuit board 1 and into which an inner conductor of a second feed cable for applying the second feed signal is inserted; A second balun hole 322 connected to the first radiating element 100 and the second radiating element 200 at the same time and having a second balun cable inserted into and connected to the second feeding cable to serve as a balun; and; A second feed pattern 323 formed on a lower surface of the printed circuit board 1 and connecting the second feed hole 321 and the second balun hole 322 to each other; And an external conductor of a second feed cable formed around the second feed hole 321 on the lower surface of the printed circuit board 1 to apply the second feed signal, and connected to the second radiating element 200. It includes; a second ground pattern 324 connected to.

Here, although the first feed cable and the second feed cable are not shown in the figure, each of the coaxial cable is implemented to include an inner conductor serving as a signal line and an outer conductor serving as a grounding line.

On the other hand, in a single patterned dual polarization antenna having an improved feed structure according to an embodiment of the present invention, the first feed signal is transmitted from the first feed hole 311 via the first feed pattern 313 to the first feed pattern. The second radiation signal is transmitted to the first radiating element 100 through a balloon hole 312, and the second feed signal is transmitted from the second feed hole 321 to the second feed pattern 323 by the second balloon hole. It is transmitted to the second radiating element 200 through 322.

Referring to Figures 3 to 4 will be described in more detail with respect to the single-pattern dual polarization antenna improved the power supply structure of Figure 1 as follows.

3 is a plan view of a single pattern dual polarization antenna with improved power feeding structure according to an embodiment of the present invention, and FIG. 4 is a rear view of a single pattern dual polarization antenna with improved feeding structure according to an embodiment of the present invention.

4 is a view illustrating the single patterned dual polarization antenna illustrated in FIG. 3 as viewed from above with respect to a power supply unit.

3 to 4, the first radiating element 100 formed of a predetermined dipole element on the upper surface of the printed circuit board 1 has a first radiating portion 111 and a first parallel feed line. The first folded dipole element 110 including the portion 112, and the second radiating element 200 including at least one dipole element on the lower surface of the printed circuit board 1 may include second to fourth radiating portions ( And second to fourth folded dipole elements 210, 220, and 230 to form 211, 221, 231 and second to fourth parallel feed line portions 212, 222, and 232, respectively.

In this case, in the single-pattern dual polarization antenna having improved feeding structure according to the embodiment of the present invention, the feeding part 300 is the first to the first radiating element 100 and the second radiating element 200 of the first to the second Since the parallel feed line portions provided in the four folded dipole elements 110, 210, 220, and 230 are electrically connected to each other through the first balun hole 312 and the second balun hole 322, the first feed signal is applied from the outside. Double feeding of a second feed signal to the first to fourth folded dipole elements 110, 210, 220, and 230 generates double polarization, and the first radiating element 100 and the second radiating element 200 are connected to the feeding portion. The polarization is formed by the vector synthesis of the electric field formed by the flow of current supplied at 300.

Referring to Figures 5 to 6 will be described the operation of the single-pattern dual polarization antenna with improved power supply structure according to an embodiment of the present invention.

5 is a diagram illustrating a current flow when a first feed signal is applied to a first feed hole of a single patterned dual polarization antenna having an improved feed structure according to an exemplary embodiment of the present invention.

As shown in FIG. 5, when a first feed signal is applied to a first feed hole 311 vertically penetrating the printed circuit board 1 and connected to an upper surface, the first feed signal is the first feed signal. It is transmitted to the first balun hole 312 via a first feed pattern 313 connecting the feed hole 311 and the first balun hole 312, is formed on the upper surface of the printed circuit board 1 Since the first radiating element 100 and the second radiating element 200 formed on the lower surface of the printed circuit board 1 are connected to each other through the first balun hole 312, the first radiation The device 100 and the second radiating device 200 generate a polarization having one single pattern.

More specifically, (+) current is applied to the first feed hole 311, (-) current is applied to the first ground pattern 314, and the first to fourth folded by the applied current. The direction of the current is formed in the dipole elements 110, 210, 220, and 230, and the direction of the electric field of each part is formed by the direction of the current, and the electric field of each of the formed parts has a polarization direction of + 45 ° by vector synthesis. .

6 is a diagram illustrating a current flow when a second feed signal is applied to a second feed hole of a single patterned dual polarization antenna having an improved feed structure according to an exemplary embodiment of the present invention.

When a second feed signal is applied to the second feed hole 321 connected to the bottom surface of the printed circuit board 1, the second feed signal is the second feed hole 321 and the second balun hole 322. ) Is transferred to the second balun hole 321 via a second feed pattern 323 connecting the first radiating element 100 and the printing formed on the upper surface of the printed circuit board 1. Since the second radiating element 200 formed on the lower surface of the circuit board 1 is connected to each other through the second balun hole 322, the first radiating element 100 and the second radiating element 200 ) Generates a polarization with one single pattern.

More specifically, (+) current is applied to the second feed hole 321 and (-) current is applied to the second ground pattern 324, and the first to fourth folded by the applied current. The direction of the current is formed in the dipole elements 110, 210, 220, and 230, and the direction of the electric field of each part is formed by the direction of the current, so that the electric field of each of the formed parts is -45 ° by the vector synthesis. .

As described above, the single patterned dual polarization antenna having the improved feeding structure according to the embodiment of the present invention is connected to each other by a single signal fed to the first to fourth folded dipole elements 110, 210, 220 and 230 having a single pattern. In the pattern, polarization directions of + 45 ° and -45 ° are formed to form a double polarization.

As described above, the present invention forms a first radiating element and a second radiating element connected to each other in a single pattern on the upper surface and the lower surface of the printed circuit board instead of using a separate power supply PCB, and An integrated feeder for supplying feed signals to the first radiating element and the second radiating element is formed on the printed circuit board, thereby reducing the number of parts and reducing the manufacturing process time, thereby reducing the manufacturing cost and reducing the soldering process. It is effective to provide a single-pattern dual polarized antenna with improved feed structure that improves productivity by preventing defects in advance.

The present invention has been described in detail so far, but the embodiments mentioned in the process are only illustrative and are not intended to be limiting, and the present invention is provided by the following claims and the technical spirit and field of the present invention. Within the scope not departing from the scope of the present invention, changes in the components that can be coped evenly will fall within the scope of the present invention.

1 is a configuration diagram showing the configuration of a single pattern dual polarization antenna with an improved power supply structure according to an embodiment of the present invention.

2 is a detailed view illustrating a power supply unit of a single pattern dual polarization antenna having an improved power supply structure according to an embodiment of the present invention.

3 is a plan view of a single pattern dual polarization antenna having an improved power supply structure according to an embodiment of the present invention;

4 is a rear view of a single pattern dual polarization antenna having an improved power supply structure according to an embodiment of the present invention.

5 is a diagram illustrating a current flow when a first feed signal is applied to a first feed hole of a single patterned dual polarization antenna having an improved feed structure according to an exemplary embodiment of the present invention.

6 is a diagram illustrating a current flow when a second feed signal is applied to a second feed hole of a single patterned dual polarization antenna having an improved feed structure according to an exemplary embodiment of the present invention.

* Description of the main drawing codes *

1: printed circuit board 100: first radiating element

110: first folded dipole element 111: first radiating part

112: first parallel feed line 200: second radiating element

210, 220, 230: second, third and fourth folded dipole elements

211, 221, 231: second, third, fourth radiating part

212, 222, 232: 2, 3, 4 parallel feed line part

300: Feeder 311, 321: First, second feed hole

312 and 322: first and second ground patterns 313 and 323: first and second balun holes

314, 324: 1st, 2nd feeding pattern

Claims (7)

delete A first radiating element formed on a top surface of the printed circuit board by a dipole element of a predetermined type; A second radiation formed on the lower surface of the printed circuit board and made of at least one dipole element having the same shape as the dipole element of the first radiating element, and is connected to the first radiating element to form a single pattern device; And A via hole passing through the printed circuit board to transmit a first feed signal to the first radiating element through the via hole, and a second feed signal to the second radiating element formed on a lower surface of the printed circuit board; Directly transmitting, the feeder is formed integrally with the printed circuit board; The feed section, A first feeding hole connected to an upper surface of the printed circuit board and having an inner conductor of a first feeding cable applying the first feed signal through the printed circuit board, the first radiating element and the second radiating element; A first balun hole which is simultaneously connected to the radiating element and is inserted into and connected to a second balun cable which is paired with the first feed cable and serves as a balun; and is formed on an upper surface of the printed circuit board, and the first feed hole and the An outer conductor of a first feed pattern of a predetermined form electrically connecting a first balun hole and a first feed cable formed around the first feed hole on a lower surface of the printed circuit board to apply the first feed signal; And a first ground pattern connected to the second radiating element, and an inner conductor of the second feed cable connected to the lower surface of the printed circuit board and applying the second feed signal. A second balun hole connected to the second feed hole connected to the first radiating element and the second radiating element and inserted into and connected to a second balun cable paired with the second feed cable to serve as a balun; A second feed pattern having a predetermined shape connecting the second feed hole and the second balun hole to the lower surface of the printed circuit board, and formed around the second feed hole on the lower surface of the printed circuit board; And a second ground pattern connected to an external conductor of the second feed cable to which the second feed signal is applied and connected to the second radiating element. The method according to claim 2, The first feed signal is transmitted from the first feed hole to the first radiating element through the first balun hole via the first feed pattern, The second feed signal is transmitted from the second feed hole to the second radiating element through the second feed hole via the second feed pattern to the second radiating element. The method according to claim 2 or 3, wherein the first radiating element and the second radiating element, Single patterned dual polarization antenna with improved feed structure, characterized in that the polarization is formed by the vector synthesis of the electric field formed by the flow of current supplied from the feeder The method according to claim 4, wherein the first radiating element and the second radiating element, Single-pattern dual polarized antenna having a single pattern and a dual polarization having a polarization direction of + 45 ° and -45 ° is formed by a signal fed double in the feed part. The method of claim 2, wherein each of the dipole elements constituting the first radiating element and the second radiating element, Single-pattern dual polarization antenna with improved feed structure, characterized in that it is a folded dipole element consisting of a radiating part and a parallel feed line part The parallel feed line portion of the folded dipole device according to claim 6, The single-pattern dual polarization antenna with improved feed structure, characterized in that the first balun hole to which the first balun cable is inserted and connected, and the second balun hole to which the second balun cable is inserted and connected are electrically connected.

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