KR101517474B1 - Wide band dipole - Google Patents

Wide band dipole Download PDF

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Publication number
KR101517474B1
KR101517474B1 KR1020140031777A KR20140031777A KR101517474B1 KR 101517474 B1 KR101517474 B1 KR 101517474B1 KR 1020140031777 A KR1020140031777 A KR 1020140031777A KR 20140031777 A KR20140031777 A KR 20140031777A KR 101517474 B1 KR101517474 B1 KR 101517474B1
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KR
South Korea
Prior art keywords
dipole
present
shaped slot
bent downward
dipoles
Prior art date
Application number
KR1020140031777A
Other languages
Korean (ko)
Inventor
박용현
임장혁
임동옥
Original Assignee
(주)하이게인안테나
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Application filed by (주)하이게인안테나 filed Critical (주)하이게인안테나
Priority to KR1020140031777A priority Critical patent/KR101517474B1/en
Application granted granted Critical
Publication of KR101517474B1 publication Critical patent/KR101517474B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/062—Two dimensional planar arrays using dipole aerials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/10—Resonant antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285—Planar dipole

Abstract

The present invention relates to a wide band radiating element which provides the same performance as a conventional element and size reduction to be adequate for mass production. The radiating element according to the present invention comprises: a first dipole formed in a pentagonal shape, wherein a ″C″ shaped slot is formed, an end portion of the outer edge thereof is bent downward, and a feeding terminal is formed on the inner vertex thereof; a second dipole formed in a pentagonal shape, wherein a ″C″ shaped slot is formed, an end portion of the outer edge thereof is bent downward, and a feeding hole is formed on the inner vertex thereof; a third dipole formed in a pentagonal shape, wherein a ″C″ shaped slot is formed, an end portion of the outer edge thereof is bent downward, a recess is formed on the inner vertex thereof, and a feeding terminal is formed on the recess; a forth dipole formed in a pentagonal shape, wherein a ″C″ shaped slot is formed, an end portion of the outer edge thereof is bent downward, a recess is formed on the inner vertex thereof, and a feeding hole is formed on the recess; a support pillar to support the first to third dipoles; and a bottom plate to fix the support pillar to a reflection plate. The first to forth dipoles are arranged in a ″+″ shape. The wide band radiating element according to the present invention provides the same performance as a conventional element and can be reduced in size. Accordingly, the size of a reflection plate and a snow cover can be reduced, price competitiveness can be secured for molding and mass production due to a reduction in size of the radiating element, and electric properties can be uniformly maintained.

Description

[0002] WIDE BAND DIPOLE [0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a radiation element of an antenna for mobile communication, and more particularly, to a broadband radiation element suitable for mass production,

Generally, the antenna for mobile communication includes a dipole element, and transmits / receives a radio signal based on the dipole element. However, due to the characteristics of the dipole element, the antenna using the dipole element has a narrow bandwidth of 10% or less, and when the antenna is constructed as a directional antenna, the beam width varies depending on the frequency. In addition, an antenna using a dipole-type copying machine has poor voltage standing wave ratio (VSWR) characteristics in a band other than the used bandwidth and the gain is reduced.

In order to overcome the disadvantages of such dipole antenna, an antenna with a skeleton slot copying machine has been proposed. A general Skeleton slot copying machine has a rectangular slot formed at the center of a plane conductor to radiate radio waves and has the same effect as arranging two dipoles with only one copying machine, It is easy to implement.

On the other hand, the dipole antenna is used as a dual polarized antenna using a polarization diversity scheme, and the dual polarized antenna usually has a square dipole element as a basic structure. However, the conventional dipole antenna is disadvantageous in that it is difficult to reduce the size of the radiation element for the super-band.

KR 10-2010-0095799 A

It is an object of the present invention to provide a broadband radiation device suitable for mass production because it can be miniaturized while still providing the same performance as the conventional one.

In order to accomplish the above object, a radiating element of the present invention comprises: a first dipole having a C-shaped slot formed in a pentagonal plate, an outer side of the dipole being bent downwardly and a feeding terminal being formed in an inner side of a stem; A second dipole in which a C-shaped slot is formed in the pentagonal plate, an end of the outer side is bent downward, and a feed hole is formed in the inner root portion; A third dipole in which a C-shaped slot is formed in the pentagonal plate, an end of the outer side is bent downward, a groove is formed in the inner root portion, and a feed terminal is formed in the groove; A fourth dipole in which a C-shaped slot is formed in the pentagonal plate, an end of the outer side is bent downward, a groove is formed in the inner root portion, and a feed hole is formed in the groove; A support for supporting the first to third dipoles, respectively; And a support plate for fixing the support to the reflector, wherein the first to fourth dipoles are arranged in a + shape.

The slot has a function of improving the VSWR characteristic, a function of adjusting the impedance according to the width and the length of the slot, an isolation function between + 45 ° and -45 ° polarization, and a constant horizontal beam width Wherein the first dipole and the second dipole are connected by a + 45 ° feeding line to form a first dipole pair for radiating the +45 ° polarization, and the third dipole And the fourth dipole are connected by a -45 [deg.] Feed line to form a second dipole pair for copying -45 [deg.] Polarization.

The broadband radiation device according to the present invention can provide the same performance as that of the conventional device, but also can downsize the radiation device, thereby making it possible to downsize the reflection plate and the sleeping cover, and reduce the weight when manufacturing or mass- And it is possible to maintain the electrical characteristics uniformly.

1 is a perspective view of a broadband radiation device according to an embodiment of the present invention,
2 is a plan view of a broadband radiation device according to an embodiment of the present invention,
3 is a side sectional view of a broadband radiation device according to an embodiment of the present invention,
4 is a plan view of a feeding line fastening state of a broadband radiation device according to an embodiment of the present invention,
5 is a side view of a feed line clamping state of a broadband radiation device according to an embodiment of the present invention,
6 illustrates an example of a feed line of a broadband radiation device according to an embodiment of the present invention,
FIG. 7 illustrates an example of generating +/- 45 DEG polarization with a wideband radiation device according to an embodiment of the present invention,
8 is a diagram illustrating a horizontal radiation pattern at 1.92 GHz of a broadband radiation device according to an embodiment of the present invention,
9 is a graph illustrating a horizontal radiation pattern at 2.30 GHz of the broadband radiation device according to the present invention,
10 is a horizontal radiation pattern at 2.60 GHz of the broadband radiation device according to the present invention,
11 is a perspective view of a broadband radiation device according to another embodiment of the present invention,
12 is a side sectional view according to another embodiment of the present invention,
13 is a first side view according to another embodiment of the present invention,
14 is a second side view according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings. The following examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention.

[First Embodiment]

FIG. 1 is a perspective view of a broadband radiation device according to the present invention, FIG. 2 is a plan view of a broadband radiation device according to the present invention, and FIG. 3 is a side sectional view of a broadband radiation device according to the present invention.

1 to 3, the C-shaped slot 114 is formed in the pentagonal plate 112 and the end 112a of the outer side is bent downward A first dipole 110-1 in which a power supply terminal 118B is formed on an inner stem portion and a C-shaped slot 114 is formed in the pentagonal plate 112 and an end 112a of the outer side is bent downward A second dipole 110-2 having a feed hole 118H formed in an inner side portion thereof and a C-shaped slot 114 formed in the pentagonal plate 112 and an end portion 112a of the outer side is bent downward A third dipole 110-3 in which a groove 116 is formed in an inner stem portion and a power supply terminal 118B is formed in a groove, a C-shaped slot 114 is formed in the pentagonal plate 112, The end portion 112a of the side is bent downward and the groove 116 is formed in the inner root portion and the feed hole 118H is formed in the groove. A supporting base 120 supporting each dipole and a supporting plate 130 for fixing the supporting base 120 to a reflection plate or the like. The first to fourth dipoles 110-1 to 110-4 are arranged in a + shape with their vertexes facing the center, and are paired with opposing dipoles, so that the feed lines can be connected to the opposing dipoles Grooves are formed in the pair so that they do not collide with each other when crossing the feed line.

FIG. 4 is a plan view of a feeder line fastening state of a broadband radiation device according to the present invention, FIG. 5 is a side view of a feeder line fastening state of a broadband radiation device according to the present invention, Yes.

4 to 6, a broadband radiation device according to the present invention includes a + 45 ° feed line 140-1 and a -45 ° feed line 140-2, So that a signal can be supplied. That is, in the dipole pair, the feeding hole 118H is formed in one dipole and the high-frequency signal is directly connected from the coaxial cable 10 inserted in the feeding hole, and the feeding dipole 118B is connected to the feed lines 140-1, 2) is connected to the coaxial cable's in-pin to feed power. In the embodiment of the present invention, the first dipole 110-1 and the second dipole 110-2 are connected by the feed line 140-1 to form a dipole pair 110A for copying the +45 [deg.] Polarization And the third dipole 110-3 and the fourth dipole 110-4 are connected by a feed line 140-2 to form a dipole pair 110B for copying -45 占 polarization.

1 to 6, a slot 112 formed in each of the dipoles 110-1 to 110-4 has a function of improving the VSWR characteristic and a function of improving the VSWR characteristic, , The ability to isolate between + 45 ° and -45 ° and a constant 65 ° horizontal beam width over 1GHz to minimize beam width deviation.

The power supply to the radiating element 100 according to the present invention is supplied by the two coaxial cables 10 in the form of + 45 ° and -45 °, and the coaxial cable 10 is fixed at a constant level during power feeding, (VSWR, Pattern, Isolation) can be made uniform.

Also, the polarization of the radiation device 100 according to the present invention is provided by the + 45 ° feeding line 140-1 and the -45 ° feeding line 140-1, and the respective feeding lines 140-1 and 140-2, (Coaxial cable pin) of the coaxial cable 10, and each feed is implemented as a slant polarized wave of + 45 ° and -45 °.

The broadband device 100 according to the present invention can provide the same performance as the conventional device, but can also downsize the radiation device, thereby making it possible to miniaturize the reflection plate and the sliding cover, and reduce the weight when manufacturing or mass- It is possible to secure price competitiveness and to maintain uniform electrical characteristics.

FIG. 8 is a horizontal radiation pattern diagram at 1.92 GHz of a broadband radiation device according to the present invention, and FIG. 9 is a diagram illustrating a horizontal radiation pattern of a broadband radiation device according to the present invention, FIG. 10 is a horizontal radiation pattern diagram of a broadband radiation device according to the present invention at 2.60 GHz.

7 to 10, the radiation device 100 according to the present invention generates slant polarized waves of + 45 ° and -45 °, The same uniform horizontal radiation pattern can be seen.

[Second Embodiment]

11 is a perspective view of a broadband radiation device according to another embodiment of the present invention, FIG. 12 is a side sectional view according to another embodiment of the present invention, FIG. 13 is a first side view according to another embodiment of the present invention, 14 is a second side view according to another embodiment of the present invention.

11 to 14, a broadband radiating element 200 according to the present invention includes a first dipole pair 210-1 in which a C-shaped slot 212 is formed in a pentagonal plate 210, A second dipole pair 210-2 having a C-shaped slot 212 formed in the pentagonal plate 210 at right angles to the first dipole 210-1 and a second dipole pair 210-2 intersecting the feed hole 214 so that the coaxial cable can pass therethrough. A supporting table 220 supporting the first dipole pair 210-1 and the second dipole pair 210-2 and a supporting plate 230 for fixing the supporting table 220 to a reflection plate or the like . In addition, one side of the first dipole pair 210-1 and the second dipole pair 210-2 is formed with a step so as not to be disturbed when they are connected to the feed line.

1 to 4, since the shape of the radiating element plate 210 is the same as that of the embodiment described above except that the shape of the radiating element plate 210 is a straight shape and a tapering is formed at the end portion thereof, Is omitted. That is, the end of the outer wall is bent in one embodiment, but in other embodiments, the end of the outer wall extends in a horizontal plane.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

10: Coaxial cable 100: Radiation element
110,110-1 to 110-4: dipole 112: pentagonal plate
114: slot 116: connection groove
118H: Feeding hole 118B: Feeding projection
120: support member 122: feeding hole
130: Support plate 140-1,140-2: Feed line

Claims (3)

A first dipole in which a C-shaped slot is formed in the pentagonal plate, an end of the outer side is bent or flattened downward, and a feed terminal is formed in the inner root portion;
A second dipole in which a C-shaped slot is formed in the pentagonal plate, an end of the outer side is bent or flattened downward and a feed hole is formed in the inner root portion;
A third dipole in which a C-shaped slot is formed in the pentagonal plate, an end of the outer side is bent or flattened to the lower side, a groove is formed in the inner root portion, and a feed terminal is formed in the groove;
A fourth dipole in which a C-shaped slot is formed in the pentagonal plate, an end of the outer side is bent or flattened downward, a groove is formed in the inner root portion, and a feed hole is formed in the groove;
A support for supporting the first to fourth dipoles, respectively; And
And a support plate for fixing the support to the reflector,
Wherein the first to fourth dipoles are arranged in a + shape. 2. The apparatus of claim 1,
(VSWR) characteristics, the ability to adjust the impedance according to the width and length of the slot, the isolation function between + 45 ° and -45 ° polarization, and the constant horizontal beam width over 1GHz And a function of reducing a beam width deviation. 2. The antenna of claim 1, wherein the first dipole and the second dipole are connected by a + 45 ° feed line to form a first dipole pair for radiating + 45 ° polarization, and the third dipole and the fourth dipole - 45 ° feed line to form a second dipole pair for copying -45 ° polarization.
KR1020140031777A 2014-03-18 2014-03-18 Wide band dipole KR101517474B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101859762B1 (en) * 2017-03-27 2018-06-28 주식회사 에이티앤에스 Dual-polarized dipole antenna
WO2019206148A1 (en) * 2018-04-26 2019-10-31 罗森伯格技术（昆山）有限公司 Ultra wide band radiation unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100095799A (en) * 2009-02-23 2010-09-01 주식회사 에이스테크놀로지 Broadband antenna and radiation device included in the same
KR20110024584A (en) * 2009-09-02 2011-03-09 주식회사 케이엠더블유 Broadband dipole antenna
KR20110051534A (en) * 2009-11-10 2011-05-18 한국항공대학교산학협력단 Wideband circular polarization turnstile antenna
KR20110062828A (en) * 2009-12-04 2011-06-10 주식회사 에이스테크놀로지 Dual polarization dipole antenna for improving feed structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100095799A (en) * 2009-02-23 2010-09-01 주식회사 에이스테크놀로지 Broadband antenna and radiation device included in the same
KR20110024584A (en) * 2009-09-02 2011-03-09 주식회사 케이엠더블유 Broadband dipole antenna
KR20110051534A (en) * 2009-11-10 2011-05-18 한국항공대학교산학협력단 Wideband circular polarization turnstile antenna
KR20110062828A (en) * 2009-12-04 2011-06-10 주식회사 에이스테크놀로지 Dual polarization dipole antenna for improving feed structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101859762B1 (en) * 2017-03-27 2018-06-28 주식회사 에이티앤에스 Dual-polarized dipole antenna
WO2019206148A1 (en) * 2018-04-26 2019-10-31 罗森伯格技术（昆山）有限公司 Ultra wide band radiation unit

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