TWI810916B - Dual polarization antenna device - Google Patents

Abstract

A dual polarized antenna device includes a first input terminal, a first arc, a second arc, a third arc, and a fourth arc. The first input terminal is configured for receiving an input signal. The first arc is located on a first front surface of a first substrate and is coupled to the first terminal. A first terminal of the first arc is along a first direction to send and receive an output signal. The second arc is located on the first front surface of the first substrate and is coupled to the first input terminal, wherein a second terminal of the second arc is along a second direction to send and receive the output signal. The first input terminal forms a first tangent along the first arc, and the first input terminal forms a second tangent along the second arc, and the first tangent and the second tangent form an angle of about a first degree with each other. The third terminal of the third arc is along a third direction to send and receive the output signal. The fourth terminal of the fourth arc is along a fourth direction to send and receive the output signal.

Description

Dual Polarized Antenna Set

This case relates to an antenna device, and in particular to a dual-polarized antenna device.

The single-polarized antennas used today often have insufficient polarization coverage, and are prone to vertically polarized zero-coverage areas, resulting in limited areas where signals can be received.

This Summary is intended to provide a simplified summary of the disclosure in order to provide the reader with a basic understanding of the disclosure. This summary is not an extensive overview of the disclosure and it is not intended to identify key/critical elements of the embodiments or to delineate the scope of the disclosure.

One of the technical aspects of this case relates to a dual-polarized antenna device. The dual-polarized antenna device includes a first input terminal, a first arc, a second arc, a third arc and a fourth arc. The first input end is used for receiving an input signal. The first arc is located on the front surface of the substrate and is coupled to the first input end, wherein the first end of the first arc is along a first direction for sending and receiving output signals. The second arc is located on the front surface of the substrate and coupled to the first input end, wherein the second end of the second arc is along the second direction for sending and receiving output signals, wherein the first input end forms a first tangent along the first arc, The first input end forms a second tangent along the second arc, and the first tangent and the second tangent form an angle with each other. The third arc is located on the back of the substrate and coupled to the first input end, wherein the third end of the third arc is along the third direction for sending and receiving output signals. The fourth arc is located on the back of the substrate and coupled to the first input end, wherein the fourth end of the fourth arc is along a fourth direction for sending and receiving output signals, wherein the first input end forms a third tangent line along the third arc, and The first input end forms a fourth tangent along the fourth arc, and the third tangent and the fourth tangent form an angle with each other, wherein the first direction is parallel to the third direction, and the second direction is parallel to the fourth direction, and the first The direction is perpendicular to the second direction.

Therefore, according to the technical content of the present case, the dual-polarization antenna device shown in the embodiment of the present case can use the technology of dual-polarization signal transmission and reception, so as to improve the effect of the area where the signal can be transmitted and received.

After referring to the following embodiments, those with ordinary knowledge in the technical field of this case can easily understand the basic spirit and other invention objectives of this case, as well as the technical means and implementation aspects adopted in this case.

In order to make the description of the disclosure more detailed and complete, the following provides an illustrative description of the implementation and specific embodiments of the present case; but this is not the only form of implementing or using the specific embodiments of the present case. The description covers features of various embodiments as well as method steps and their sequences for constructing and operating those embodiments. However, other embodiments can also be used to achieve the same or equivalent functions and step sequences.

Unless otherwise defined in this specification, the meanings of scientific and technical terms used herein are the same as those understood and commonly used by those with ordinary knowledge in the technical field to which this case belongs. In addition, the singular nouns used in this specification include the plural forms of the nouns, and the plural nouns used also include the singular forms of the nouns, unless the context conflicts with the context.

In addition, regarding the "coupling" used herein, it may refer to two or more elements being in direct physical or electrical contact with each other, or indirect physical or electrical contact with each other, or it may refer to two or more elements interoperating. or action.

FIG. 1 is a front structural diagram of a dual-polarized antenna device according to an embodiment of the present application. As shown in the figure, the dual-polarized antenna device 100 includes a first input terminal 110 , a first arc 120 , a second arc 130 , a third arc 140 and a fourth arc 150 . In terms of positional relationship, the first arc 120 and the second arc 130 are located on the front of the substrate 10 , and the third arc 140 and the fourth arc 150 are located on the back of the substrate 10 . In connection relationship, the first arc 120 is coupled to the first input end 110, the second arc 130 is coupled to the first input end 110, the third arc 140 is coupled to the first input end 110, and the fourth arc 150 is coupled to at the first input terminal 110 .

In order to increase the effectiveness of the signal transceiving area through the technology of dual-polarized signal transmission and reception, this project provides a dual-polarized antenna device 100 as shown in Figure 1. The relevant operations of the dual-polarized antenna device 100 are described in detail below.

FIG. 2 is a structural diagram of the back side of a dual-polarized antenna device according to an embodiment of the present application. Please refer to FIG. 1 and FIG. 2 together, the first input terminal 110 is used to receive an input signal. The first end 121 of the first arc 120 is along the first direction D1 to transmit and receive output signals. For example, the input signal can have a corresponding relationship with the output signal, the input signal can be converted into an output signal through the first arc 120, and the first end 121 of the first arc 120 sends the output signal along the first direction D1, In addition, the first end 121 of the first arc 120 can receive the output signal along the first direction D1, and the output signal can be converted into an input signal through the first arc 120, but the present invention is not limited thereto.

Then, the second end 131 of the second arc 130 is along the second direction D2 to transmit and receive output signals, wherein the first input end 110 forms a first tangent line L1 along the first arc 120, and the first input end 110 along the first The two arcs 130 form a second tangent L2, and the first tangent L1 and the second tangent L2 form an angle A1 between each other. The third end 141 of the third arc 140 is along the third direction D3 for transmitting and receiving output signals. The fourth end 151 of the fourth arc 150 is along the fourth direction D4 to transmit and receive output signals, wherein the first input end 110 forms a third tangent line L3 along the third arc 140, and the first input end 110 along the fourth arc 150 A fourth tangent line L4 is formed, and the third tangent line L3 and the fourth tangent line L4 form an angle A1 between each other, wherein the first direction D1 is parallel to the third direction D3, and the second direction D2 is parallel to the fourth direction D4, and the first direction D1 is perpendicular to the second direction D2.

For example, the conversion relationship between the input signal and the output signal through the second arc 130, the third arc 140 or the fourth arc 150 can be similar to the conversion relationship of the first arc 120, which is a brief description, so it will not be repeated here. . In addition, the first tangent line L1 and the second tangent line L2 can form an angle A1 with each other, and the third tangent line L3 and the fourth tangent line L4 can form an angle A1 with each other, and the angle A1 can be 90 degrees. The main purpose is to ensure the first The polarization directions of the output signals sent by the arc 120 , the second arc 130 , the third arc 140 and the fourth arc 150 are vertical or horizontal to each other, so as to increase the transceiving area of the output signals, but this case is not limited thereto.

In addition, the first direction D1 can be parallel to the third direction D3, and the second direction D2 can be parallel to the fourth direction D4, and the first direction D1 can be perpendicular to the second direction D2, wherein the first direction D1, the second direction D2 , the third direction D3 and the fourth direction D4 may both be parallel to the substrate 10 .

In one embodiment, the shapes of the first arc 120 , the second arc 130 , the third arc 140 and the fourth arc 150 are identical to each other. For example, the appearance or shape of the first arc 120, the second arc 130, the third arc 140 and the fourth arc 150 can be the same as each other, and the shape can generally refer to a one-dimensional, two-dimensional or three-dimensional shape, but this case does not This is the limit.

In one embodiment, the shapes of the first arc 120 , the second arc 130 , the third arc 140 and the fourth arc 150 each include a quarter arc of a circle. For example, a circle can be such that the arc length is equal to , and this circle can be equally divided into 4 quarter arcs, and one of the 4 quarter arcs can be used as the first arc 120, the second arc 130, the third arc 140 or The fourth arc 150, in other words, the first arc 120 can be a quarter arc, the second arc 130 can be a quarter arc, the third arc 140 can be a quarter arc and the fourth arc 150 can be a quarter arc, but this case is not limited thereto.

In one embodiment, the first length of the first arc 120 , the second length of the second arc 130 , the third length of the third arc 140 and the fourth length of the fourth arc 150 are the same as each other. For example, the arc length of the first arc 120 may be 3.1 cm, and the arc lengths of the second arc 130 , the third arc 140 and the fourth arc 150 may all be 3.1 cm, but this is not the case in this case.

In one embodiment, each of the first length of the first arc 120, the second length of the second arc 130, the third length of the third arc 140, and the fourth length of the fourth arc 150 comprise four parts of the output signal. one-half wavelength length. For example, the first length 120, the second length 130, the third length 140 and the fourth length 150 may be equal, and follow the following formula:

… …Formula 1.

... Formula 2.

In the above formula 1, cl is the arc length (in centimeters), is the wavelength (in centimeters), and in the above formula 2, is the wavelength (in centimeters), c is the speed of light (in meters), and f is the frequency (in hertz).

According to the above formula 1 and formula 2, Table 1 can be obtained, as shown below 2G antenna 5G antenna 2.4G antenna speed of light frequency wavelength 15 6 12.5 arc length (antenna length) 3.75 1.5 3.125 Table I

The arc length shown in Table 1 can be the first length 120, the second length 130, the third length 140 or the fourth length 150, and the arc length can be 3.75, 1.5 or 3.125 cm, but this case is not limited thereto.

In one embodiment, the angle includes a 90 degree angle. For example, the angle may be 90 degrees, but this case is not limited thereto.

FIG. 3 is a structural diagram of a dual-polarized antenna device according to another embodiment of the present application. As shown in the figure, the dual-polarized antenna device 200 further includes a second input terminal 210 , a transmission body T1 , a fifth arc 220 , a sixth arc 230 , a seventh arc 240 and an eighth arc 250 . In terms of positional relationship, the fifth arc 220 and the sixth arc 230 are located on the front of the substrate 10A, and the seventh arc 240 and the eighth arc 250 are located on the back of the substrate 10A. In terms of connection, the transmission body T1 runs through and is coupled to the first input end 110 and the second input end 210 , the fifth arc 220 is coupled to the second input end 210 , and the sixth arc 230 is coupled to the second input end 210 , the seventh arc 240 is coupled to the second input end 210 , and the eighth arc 250 is coupled to the second input end 210 .

In order to increase the effectiveness of the signal transceiving area through the technology of dual-polarization signal transmission and reception, this project provides a dual-polarization antenna device 200 as shown in Figure 3. The detailed operation of the dual-polarization antenna device 200 is as follows.

FIG. 4 is a front structural diagram of a plurality of dual-polarized antenna devices according to another embodiment of the present application. FIG. 5 is a structural diagram of the back side of a plurality of dual-polarized antenna devices according to another embodiment of the present application. Please refer to FIG. 3 to FIG. 5 together. In one embodiment, the second input terminal 210 is used to receive an input signal. The fifth end 221 of the fifth arc 220 is along the first direction D1 to transmit and receive output signals. The sixth end 231 of the sixth arc 230 is along the second direction D2 to send and receive output signals, wherein the second input end 210 forms a fifth tangent line L5 along the fifth arc 220, and the second input end 210 along the sixth arc 230 A sixth tangent line L6 is formed, and the fifth tangent line L5 and the sixth tangent line L6 form an angle A1 between each other. The seventh end 241 of the seventh arc 240 is along the third direction D3 for sending and receiving output signals. The eighth end 251 of the eighth arc 250 is along the fourth direction D4 to send and receive output signals, the second input end 210 forms the seventh tangent line L7 along the seventh arc 240 , and the second input end 210 forms along the eighth arc 250 The eighth tangent L8, and the seventh tangent L7 and the eighth tangent L8 make an angle A1 between each other.

For example, through the fifth arc 220, the sixth arc 230, the seventh arc 240 or the eighth arc 250, the corresponding relationship between the input signal and the output signal may be similar to the conversion relationship of the first arc 120 described in FIG. 1, For the sake of brevity, the description will not be repeated here. In addition, the fifth tangent L5 and the sixth tangent L6 can form an angle A1 with each other, and the seventh tangent L7 and the eighth tangent L8 can form an angle A1 with each other, and the angle A1 can be 90 degrees. The main purpose is to ensure the fifth arc The polarization directions of the output signals sent by 220, the sixth arc 230, the seventh arc 240, and the eighth arc 250 are vertical or horizontal to each other, so as to increase the transceiving area of the output signal, but this case is not limited thereto.

In one embodiment, the first arc 120 corresponds to the fifth arc 220 , the second arc 130 corresponds to the sixth arc 230 , the third arc 140 corresponds to the seventh arc 240 , and the fourth arc 150 corresponds to the eighth arc 250 , the arcs corresponding to each other (such as the first arc 120 and the fifth arc 220 ) can be used to transmit output signals with the same frequency, but the present application is not limited thereto.

In one embodiment, the shapes of the first arc 120 , the second arc 130 , the third arc 140 , the fourth arc 150 , the fifth arc 220 , the sixth arc 230 , the seventh arc 240 and the eighth arc 250 are identical to each other. For example, the shapes or shapes of the first arc 120, the second arc 130, the third arc 140, the fourth arc 150, the fifth arc 220, the sixth arc 230, the seventh arc 240 and the eighth arc 250 can be The same as each other, shape can generally refer to one-dimensional, two-dimensional or three-dimensional shapes, but this case is not limited thereto.

In one embodiment, the shapes of the fifth arc 220 , the sixth arc 230 , the seventh arc 240 and the eighth arc 250 each include a quarter arc of a circle. For example, a circle can be a shape in which the arc length is equal to 2πr, and the circle can be equally divided into 4 quarter arcs, and one of the 4 quarter arcs can be used as the first Five arcs 220, the sixth arc 230, the seventh arc 240 and eight arcs 250, in other words, the fifth arc 220 can be a quarter arc, the sixth arc 230 can be a quarter arc, the seventh The arc 240 may be a quarter arc and the eight-arc 250 may be a quarter arc, but the present application is not limited thereto.

In one embodiment, the length of the quarter arc comprises a quarter wavelength of the output signal. For example, the fifth length 220, the sixth length 230, the seventh length 240, and the eighth length 250 can be equal, and comply with the above formula 1 and formula 2, please refer to Table 1, the arc length shown in Table 1 It can be the fifth length 220, the sixth length 230, the seventh length 240 or the eighth length 250, and the arc length can be 3.75, 1.5 or 3.125 cm, but the present case is not limited thereto.

FIG. 6 is a structural diagram of a dual-polarized antenna device according to another embodiment of the present application. As shown in the figure, the dual polarized antenna device 900 includes at least one input terminal (such as 110, 210, 310 and 410), at least one first arc (such as 120, 220, 320 and 420), at least one second arc (such as 130, 230, 330 and 430), at least one third arc (eg 140, 240, 340 and 440) and at least one fourth arc (eg 150, 250, 350 and 450). In terms of positional relationship, at least one first arc (for example 120, 220, 320 and 420) and at least one second arc (for example 130, 230, 330 and 430) are located on the front side of the substrate 10B, and at least one third arc (for example 140 , 240, 340 and 440) and at least one fourth arc (eg 150, 250, 350 and 450) are located on the back side of the substrate 10B. In connection relationship, at least one first arc (for example 120, 220, 320 and 420) is coupled to at least one input terminal (for example 110, 210, 310 and 410), at least one second arc (for example 130, 230, 330 and 430) are coupled to at least one input terminal (such as 110, 210, 310 and 410), and at least one third arc (such as 140, 240, 340 and 440) is coupled to at least one input terminal (such as 110, 210, 310 and 410 ), at least one fourth arc (for example 150 , 250 , 350 and 450 ) is coupled to at least one input terminal (for example 110 , 210 , 310 and 410 ).

It should be noted that the operation mode of the dual-polarized antenna device 900 in FIG. 6 is similar to that of the dual-polarized antenna device 100 in FIG. 1 and the dual-polarized antenna device 200 in FIG. 3 . repeat.

As can be seen from the implementation manner of the present case described above, the application of the present case has the following advantages. The dual-polarization antenna device shown in the embodiment of this case can use the dual-polarization technology to transmit and receive signals, so as to improve the effect of the area where signals can be transmitted and received.

Although the specific examples of this case are disclosed in the above implementation mode, they are not used to limit this case. Those who have ordinary knowledge in the technical field of this case can carry out this case without departing from the principle and spirit of this case. Various changes and modifications, so the protection scope of this case should be defined by the scope of the accompanying patent application.

100, 200, 900: dual polarized antenna device 110: the first input terminal 120: First arc 121: first end 130: Second arc 131: second end 140: The third arc 141: third end 150: Fourth arc 151: Fourth end D1: the first direction D2: Second direction D3: Third direction D4: the fourth direction L1: first tangent L2: second tangent L3: third tangent L4: fourth tangent A1: angle 10, 10A, 10B: substrate T1: Transmitter 210: the second input terminal 220: Fifth arc 221: fifth end 230: Sixth arc 231: sixth end 240: Seventh arc 241: seventh end 250: Eighth arc 251: eighth terminal 320: at least one first arc 330: at least one second arc 340: at least one third arc 350: at least one fourth arc 420: at least one first arc 430: at least one second arc 440: at least one third arc 450: at least one fourth arc X: axis Y: axis Z: axis

In order to make the above and other purposes, features, advantages and embodiments of this case more obvious and understandable, the accompanying drawings are explained as follows: FIG. 1 is a front structural diagram of a dual-polarized antenna device according to an embodiment of the present application. FIG. 2 is a structural diagram of the back side of a dual-polarized antenna device according to an embodiment of the present application. FIG. 3 is a structural diagram of a plurality of dual-polarized antenna devices according to another embodiment of the present application. FIG. 4 is a front structural diagram of a plurality of dual-polarized antenna devices according to another embodiment of the present application. FIG. 5 is a structural diagram of the back side of a plurality of dual-polarized antenna devices according to another embodiment of the present application. FIG. 6 is a structural diagram of a plurality of dual-polarized antenna devices according to yet another embodiment of the present application.

Domestic deposit information (please note in order of depositor, date, and number) none Overseas storage information (please note in order of storage country, institution, date, and number) none

100: Dual polarized antenna device

110: the first input terminal

120: First arc

121: first end

130: Second arc

131: second end

140: The third arc

141: third end

150: Fourth arc

151: Fourth end

D1: the first direction

D2: Second direction

D3: Third direction

D4: the fourth direction

L1: first tangent

L2: second tangent

L3: third tangent

L4: fourth tangent

A1: angle

10: Substrate

X: axis

Y: axis

Z: axis

Claims (10)

A dual-polarized antenna device, comprising: a first input end for receiving an input signal; a first arc located on a front surface of a substrate and coupled to the first input end, wherein one of the first arcs The first end is used to send and receive an output signal along a first direction; a second arc is located on the front side of the substrate and coupled to the first input end, wherein a second end of the second arc is along a first end Two directions to transmit and receive the output signal, wherein the first input terminal forms a first tangent along the first arc, and the first input forms a second tangent along the second arc, and the first tangent The line and the second tangent line form an angle with each other; a third arc is located on a back surface of the substrate and coupled to the first input end, wherein a third end of the third arc is along a third direction to Transceiving the output signal; and a fourth arc, located on the back side of the substrate and coupled to the first input terminal, wherein a fourth end of the fourth arc is along a fourth direction for transmitting and receiving the output signal, wherein The first input end forms a third tangent line along the third arc, and the first input end forms a fourth tangent line along the fourth arc line, and the third tangent line and the fourth tangent line form the angle between each other , wherein the first direction is parallel to the third direction, and the second direction is parallel to the fourth direction, and the first direction is perpendicular to the second direction. The dual-polarized antenna device as claimed in claim 1, wherein the shapes of the first arc, the second arc, the third arc, and the fourth arc same as each other. The dual-polarized antenna device as claimed in claim 2, wherein the shapes of the first arc, the second arc, the third arc and the fourth arc each comprise a quarter arc of a circle. The dual-polarized antenna device as claimed in claim 1, wherein a first length of the first arc, a second length of the second arc, a third length of the third arc, and a length of the fourth arc The fourth lengths are the same as each other. The dual-polarized antenna device as claimed in claim 4, wherein the first length of the first arc, the second length of the second arc, the third length of the third arc, and the fourth arc Each of the fourth lengths includes a quarter wavelength length of the output signal. The dual-polarized antenna device as claimed in claim 1, wherein the angle includes an angle of 90 degrees. The dual-polarized antenna device as described in claim 1, further comprising: a second input terminal for receiving the input signal; a transmission body penetrating and coupled to the first input terminal and the second input terminal; a fifth arc, located on the front side of the substrate and coupled to the second input input end, wherein a fifth end of the fifth arc is along the first direction to transmit and receive the output signal; a sixth arc is located on the front side of the substrate and coupled to the second input end, wherein the sixth A sixth end of the arc is along the second direction to transmit and receive the output signal, wherein the second input end forms a fifth tangent along the fifth arc, and the second input end forms a fifth tangent along the sixth arc. The sixth tangent, and the fifth tangent and the sixth tangent make an angle between each other; a seventh arc, located on the back side of the substrate and coupled to the second input end, wherein a seventh arc of the seventh arc end along the third direction to send and receive the output signal; and an eighth arc located on the back side of the substrate and coupled to the second input end, wherein an eighth end of the eighth arc is along the fourth Direction to send and receive the output signal, the second input end forms a seventh tangent along the seventh arc, and the second input end forms an eighth tangent along the eighth arc, and the seventh tangent and the first The eight tangents enclose each other at about this angle. The dual-polarized antenna device as claimed in item 7, wherein the first arc, the second arc, the third arc, the fourth arc, the fifth arc, the sixth arc, the seventh arc, and the The shapes of the eighth arcs are identical to each other. The dual-polarized antenna device as claimed in claim 8, wherein the shapes of the fifth arc, the sixth arc, the seventh arc and the eighth arc each comprise a quarter arc of a circle. The dual-polarized antenna device as claimed in claim 9, wherein a length of the quarter arc of the circle includes a quarter wavelength length of the output signal.

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