TWM457982U - Array antenna and high gain antenna device including the array antenna - Google Patents

Description

Array antenna and high gain antenna device including the same

This creation relates to the design of an antenna, and more particularly to an array antenna and a high gain antenna arrangement including the array antenna.

Antennas can be used to transmit or receive radio waves and have been widely used in various fields to date.

The shape of the antenna has evolved from the beginning to the present, and has formed many forms, such as a dipole antenna, a monopole antenna, a folded dipole antenna, and a horn antenna. ), a loop antenna, a slot antenna, a micro strip antenna, an array antenna, and the like. Various forms of antennas, because of their structural and functional differences, are so different in the field of application.

Different antennas can have different radiation patterns. For example, the radiation pattern of a dipole antenna has a maximum value on a plane perpendicular to the antenna, and the radiation field in each direction is the same in this plane. This antenna is very suitable. Used for broadcast purposes. Conversely, if it is point-to-point communication, it is better to concentrate the energy radiated by the antenna within a certain azimuth range. At other points, the antenna's radiated power will be very small and will not cause unnecessary electromagnetic interference.

Therefore, how to propose an array antenna with a directional radiation field, This is the subject to be solved in this paper.

The purpose of the present invention is to provide an array antenna and a high gain antenna device including the array antenna, which can achieve a group anti-matching effect by changing the structure of the loop antenna in the array antenna.

The present invention provides an array antenna including a reflector, a substrate spaced apart from the reflector, a feed point, a first loop antenna, and a second loop antenna. The feeding point is disposed on the substrate, and the first loop antenna and the second loop antenna are disposed on a surface of the substrate and electrically connected to the feeding point. The first loop antenna includes a first loop unit, a first matching unit, and a first mating unit; the first loop unit has a first main opening, and the first matching unit has a first main opening Connecting the first sub-opening and being disposed in the first revolving unit to be electrically connected by the first revolving unit, and the first mating unit is electrically connected to the feeding point and the first revolving unit The first matching unit. The second loop antenna includes a second loop unit, a second matching unit, and a second mating unit; the second loop unit has a second main opening and the opening direction corresponds to an opening direction of the first main opening The second matching unit has a second sub-opening that communicates with the second main opening and whose opening direction corresponds to the opening direction of the first sub-opening and is disposed in the second revolving unit to be opposite to the second recirculation unit The unit is electrically connected, and the second mating unit is electrically connected to the feeding point and the second loop unit and the second matching unit, and the second mating unit and the first mating unit are electrically connected connection.

The present invention further provides a high gain antenna device, including a reflector, a substrate spaced apart from the reflector, a feed line group, and two sets of array days. line. The substrate has a first surface and a second surface, the feed line group includes a feed point, a transmission line electrically connected to the feed point and disposed on the first surface, and a ground disposed on the second surface The two sets of array antennas are respectively disposed on the first surface and the second surface of the substrate and electrically connected to each other by the feed line group, and each set of array antennas includes a respective first loop antenna and a first Two loop antennas. The first loop antenna includes a first loop unit, a first matching unit, and a first mating unit; the first loop unit has a first main opening, and the first matching unit has a first main opening Connecting the first sub-opening and being disposed in the first loop unit to be electrically connected to the first loop unit, and the first mating unit is electrically connected to the feed line group and the first loop Unit and the first matching unit. The second loop antenna is electrically connected to the first loop antenna by the first mating unit, and the second loop antenna includes a second loop unit, a second matching unit, and a second mating unit; The second loop unit has a second main opening and an opening direction corresponding to an opening direction of the first main opening, the second matching unit has a second main opening and the opening direction corresponds to the first sub opening a second sub-opening of the opening direction is disposed in the second return unit to be electrically connected to the second loop unit, and the second mating unit is electrically connected to the feed line group and the second back The ring unit and the second matching unit are electrically connected to the first mating unit.

The present invention further provides a high gain antenna device comprising a reflector, a substrate spaced apart from the reflector, a feed line set, and two sets of array antennas. The substrate has a first surface and a second surface opposite to each other, the feed line group includes a multiplexer, a ground line disposed on the second surface, and is disposed on the first a pair of transmission lines respectively connected to the multiplexer, and the two sets of array antennas are electrically connected to the multiplexer by the two sets of transmission lines, each set of array antennas respectively including a first loop antenna and a second Loop antenna. The first loop antenna includes a first loop unit, a first matching unit, and a first mating unit; the first loop unit has a first main opening, and the first matching unit has a first main opening Connecting the first sub-opening and being disposed in the first loop unit and electrically connected to the first loop unit, and the first mating unit is electrically connected to the feed line group and the first loop Unit and the first matching unit. The second loop antenna is electrically connected to the first loop antenna by the first mating unit, and the second loop antenna includes a second loop unit, a second matching unit, and a second matching unit; The second loop unit has a second main opening and the opening direction thereof corresponds to the opening direction of the first main opening, and the second matching unit has an opening communicating with the second main opening and the opening direction corresponding to the opening of the first sub-opening a second sub-opening of the direction is disposed in the second return unit to be electrically connected to the second loop unit, and the second mating unit is electrically connected to the feed line group and the second loop unit And the second matching unit, and the second mating unit is electrically connected to the first mating unit.

It can be seen from the above that the present invention is provided with matching units in the loop antenna of the array antenna, and each matching unit adjusts the impedance matching of each loop antenna to improve the gain value of the loop antenna, and compared with the conventional knowledge. A patch antenna has a small volume.

1‧‧‧Array antenna

1a, 1b‧‧‧ first array antenna

10, 20, 30‧‧‧ substrates

11, 21, 31‧‧‧ first loop antenna

111, 211, 311‧‧‧ first loop unit

1110, 2110, 3110‧‧‧ first main opening

112, 212, 312‧‧‧ first matching unit

1120, 2120, 3120‧‧‧ first sub-opening

113, 213, 313‧‧‧ first mating unit

113a, 213a, 313a‧‧‧ first mating segment

113b, 213b, 313b‧‧‧ second mating segment

12, 22, 32‧‧‧ second loop antenna

121, 221, 321‧‧‧ second loop unit

1210, 2210, 3210‧‧‧ second main opening

122, 222, 322‧‧‧ second matching unit

1220, 2220, 3220‧‧‧ second sub-opening

123, 223, 323‧‧‧ second mating unit

123a, 223a, 323a‧‧‧ third matching section

123b, 223b, 323b‧‧‧ fourth matching section

13, 231‧‧‧Feeding points

14, 24, 34‧‧ ‧ reflector

141‧‧‧ pillar

15, 15'‧‧‧ Passive components

2, 3‧‧‧ high gain antenna device

2a, 3a‧‧‧second array antenna

201‧‧‧ first surface

202‧‧‧ second surface

23, 33‧‧‧Feed into the line group

232, 333, 334‧‧‧ transmission lines

233, 332‧‧‧ grounding wire

234, 235‧‧‧ conductive through holes

331‧‧‧Multiplexer

Figure 1 is a schematic diagram of the array antenna of the present invention.

Figure 2 is a side view of the array antenna of Figure 1.

Figure 3 is a schematic diagram of the passive components disposed on the array antenna.

Figure 4 is a schematic illustration of the first surface of the first embodiment of the high gain antenna device of the present invention.

Figure 5 is a schematic illustration of the second surface of the first embodiment of the high gain antenna device of the present invention.

Figure 6 is a schematic diagram of a second embodiment of the high gain antenna device of the present invention.

The other embodiments of the present invention will be readily understood by those skilled in the art from this disclosure.

Please refer to Figure 1 for a schematic diagram of the array antenna. The array antenna 1 of the present embodiment includes a substrate 10, a first loop antenna 11 disposed on the substrate 10, a second loop antenna 12, and a feed point 13.

The first loop antenna 11 is disposed on the surface of the substrate 10 and electrically connected to the feed point 13. The first loop antenna 11 includes a first loop unit 111, a first matching unit 112, and a first match. Connected to unit 113.

The first loop unit 111 has a first main opening 1110. The first matching unit 112 has a first sub-opening 1120. The first matching unit 112 is disposed in the first revolving unit 111 and electrically connected to the first revolving unit 111, and the first main opening 1110 It is in communication with the first sub-opening 1120. The first mating unit 113 is electrically connected to the feed point 13 and the first loop unit 111 and the first matching unit 112. The first mating unit 113 includes a first mating segment 113a and a second mating segment 113b, respectively The point 13 is electrically connected to the first main opening 1110 and the two sides of the first sub-opening 1120.

The second loop antenna 12 is disposed on the surface of the substrate 10 and electrically connected to the feed point 13. The second loop antenna 12 includes a second loop unit 121, a second matching unit 122, and a second Connected to unit 123.

The second loop unit 121 has a second main opening 1210. The second matching unit 122 has a second sub-opening 1220. The second matching unit 122 is disposed in the second revolving unit 121 and electrically connected to the second revolving unit 121, and the second main opening 1210 It is in communication with the second sub-opening 1220. The second mating unit 123 includes a third mating segment 123a and a fourth mating segment 123b. The feeding point 13 is electrically connected to the second main opening 1210 and the second sub-opening 1220, respectively. .

The first mating segment 113a of the first mating unit 113 is electrically connected to the third mating segment 123a of the second mating unit 123. The second mating segment 113b of the first mating unit 113 is The fourth mating segment 123b of the second mating unit 123 is electrically connected.

Furthermore, the first matching unit 112 can be used to adjust the impedance matching of the first loop antenna 11, and the second matching unit 122 can be used to adjust the impedance matching of the second loop antenna 12 by adjusting the first matching. The first sub-opening 1120 of the unit 112 can adjust the impedance matching of the first loop antenna 11 and change the size of the second sub-opening 1220 of the second matching unit 122 to adjust the impedance matching of the second loop antenna 12. .

In the embodiments shown in FIGS. 1 to 3, the operating frequency band of the array antenna of the present invention may be, for example, 2400 to 2500 MHz, and in addition, the array day of the present creation The line system includes a first loop antenna and a second loop antenna, and thus can be regarded as a 2 x 1 array antenna.

Please refer to Fig. 2, which is a side view of Fig. 1. The array antenna 1 of the present invention includes a reflection plate 14 that reflects the radiation of the array antenna 1 to control the radiation direction of the array antenna 1 to enhance the gain value of the array antenna 1. The substrate 10 is disposed on the reflecting plate 14 at intervals. In the embodiment shown in FIG. 2, the pillars 141 may be disposed on the reflecting plate 14, and the substrate 10 may be spaced apart from the reflecting plate 14 by the pillars 141.

Referring to Fig. 3, a schematic diagram of the passive elements 15 and 15' disposed on the array antenna 1 is shown. As shown, the array antenna 1 can adjust the first loop antenna 11 or the second back by adjusting the size of the first sub-opening 1120 of the first matching unit 112 or the second sub-opening 1220 of the second matching unit 122. In addition to the impedance matching of the loop antenna 12, a passive component 15 may be disposed between the first loop unit 111 and the first matching unit 112 to electrically connect the first loop unit 111 and the first matching unit. 112. A passive component 15 ′ is disposed between the second loop unit 121 and the second matching unit 122 to electrically connect the second loop unit 121 and the second matching unit 122 , as shown in FIG. 3 . The impedance matching of the array antenna 1 can be adjusted by the arrangement of the passive elements 15 and 15'. For example, the passive components 15 and 15' can be capacitive, resistive or inductive components, but are not limited thereto.

Please refer to FIG. 4 and FIG. 5 at the same time. FIG. 4 is a schematic diagram of the first surface of the first embodiment of the high gain antenna device, and FIG. 5 is a schematic view of the second surface of the first embodiment of the high gain antenna device. . In the embodiment, the high gain antenna device 2 includes a substrate 20, a first array antenna 1a, and a first The two array antennas 2a and the feed line group 23 are fed. The structure of the first array antenna 1a of the present embodiment is substantially the same as that of the array antenna 1 described above, and the same components are denoted by the same reference numerals, and are not described herein.

The substrate 20 has a first surface 201 and a second surface 202 opposite thereto, and the feed line group 23 includes a feed point 231, a transmission line 232, and a ground line 233. The transmission line 232 is disposed on the first surface 201, and the transmission line 232 is electrically connected to the feeding point 231, and the grounding line 233 is disposed on the second surface 202.

The first array antenna 1a and the second array antenna 2a are respectively disposed on the first surface 201 and the second surface 202 of the substrate 20, and the first array antenna 1a and the second array antenna 2a are formed on the substrate 20 in a staggered manner. The first surface 201 and the second surface 202.

The first mating segment 113a of the first mating unit 113 of the first array antenna 1a and the third mating segment 123a of the second mating unit 123 are electrically connected to the transmission line 232, and the first mating of the first array antenna 1a The second mating segment 113b of the unit 113 and the fourth mating segment 123b of the second mating unit 123 are electrically connected to the grounding wire 233.

Referring to FIG. 5, the second array antenna 2a is disposed on the second surface 202 of the substrate 20. The second array antenna 2a includes a first loop antenna 21 and a second loop antenna 22. The first loop antenna 21 includes a first loop unit 211, a first matching unit 212, and a first mating unit 213. The first loop unit 211 has a first main opening 2110, and the first matching unit 212 has a first sub-opening 2120. The first matching unit 212 is disposed in the first loop unit 211 and is coupled to the first loop unit. 211 is electrically connected, and the first main opening 2110 is in communication with the first sub-opening 2120, the first mating The unit 213 is electrically connected to the transmission line 232 and the ground line 233 and the first loop unit 211 and the first matching unit 212. The first mating unit 213 includes a first mating segment 213a and a second mating The first matching segment 213a is electrically connected to the transmission line 232 and the first loop unit 211. The second mating segment 213b is electrically connected to the ground line 233 and the first loop unit 211.

In the second array antenna 2a shown in FIG. 5, the second loop antenna 22 is electrically connected to the first loop antenna 21 by the first mating unit 213, and the second loop antenna 22 includes The second loop unit 221, the second matching unit 222, and the second mating unit 223. The second loop unit 221 has a second main opening 2210 whose direction corresponds to the opening direction of the first main opening 2110. The second matching unit 222 has a second sub-opening 2220. The second matching unit 222 is disposed in the second revolving unit 221 and electrically connected to the second revolving unit 221, and the second main opening 2210 is The second sub-opening 2220 is in communication, and the opening direction of the second sub-opening 2220 corresponds to the opening direction of the first sub-opening 2120. The second mating unit 223 is electrically connected to the transmission line 232 and the ground line 233 and the second loop unit 221 and the second matching unit 222 , and the second mating unit 223 and the first mating unit 213 . Electrical connection. In addition, the second mating unit 223 includes a third mating segment 223a and a fourth mating segment 223b. The third mating segment 223a is electrically connected to the transmission line 232 and the second loop unit 221. The connecting portion 223b is electrically connected to the grounding line 233 and the second loop unit 221, and the second mating unit 223 is electrically connected to the first mating unit 213.

It should be noted that in the fourth and fifth figures, on the first surface 201 The first array antenna 1a can be connected to the second array antenna 2a via the conductive via 234 through the substrate 20 to the second surface 202, and the second array antenna 2a on the second surface 202 can be The first array antenna 1a is connected by the ground line 233 passing through the substrate 20 to the first surface 201 via the conductive via 235.

Further, in the present embodiment, the high gain antenna device 2 further includes a reflection plate 24 that reflects the radiation of the high gain antenna device 2 to control its radiation direction to increase the gain value of the high gain antenna device 2. The substrate 20 is spaced apart from the reflector 24, and the substrate 20 and the reflector 24 can be connected, for example, through a post.

The high gain antenna device 2 of the present embodiment can also change the impedance matching of the high gain antenna device 2 by setting a passive component, and the passive component can be disposed on the first loop unit of the first loop antenna 11 of the first array antenna 1a. 111 and the first matching unit 112, between the second loop unit 121 of the second loop antenna 12 of the first array antenna 1a and the second matching unit 122, and the first loop of the second array antenna 2a Between the first loop unit 211 of the antenna 21 and the first matching unit 212, and between the second loop unit 221 of the second loop antenna 22 of the second array antenna 2a and the second matching unit 222.

In the embodiments shown in FIGS. 4 and 5, the working frequency band of the high-gain antenna device of the present invention may be, for example, 2400 to 2500 MHz. In addition, the high-gain antenna device of the present invention includes two sets of first loop antennas and two The second loop antenna is grouped and thus can be considered a 2 x 2 array antenna.

Please refer to FIG. 6 , which is a schematic diagram of a second embodiment of the high gain antenna device of the present invention. The high gain antenna device 3 of the embodiment includes a substrate The first array antenna 1b and the second array antenna 3a and the second array antenna 3a are disposed on the same surface of the substrate 30, and are electrically connected to each other through the feed line group 33. .

The structure of the first array antenna 1b of the present embodiment is substantially the same as that of the array antenna 1 (see FIG. 1). Therefore, the same components are denoted by the same reference numerals, and the description thereof will not be repeated.

The second array antenna 3a includes a first loop antenna 31 and a second loop antenna 32.

The first loop antenna 31 includes a first loop unit 311, a first matching unit 312, and a first mating unit 313; the first loop unit 311 has a first main opening 3110, and the first matching unit 312 has a first sub-portion An opening 3120, the first matching unit 312 is disposed in the first loop unit 311 and electrically connected to the first loop unit 311, and the first main opening 3110 is in communication with the first sub-opening 3120, first The mating unit 313 includes a first mating segment 313a and a second mating segment 313b electrically connected to the first loop unit 311, respectively.

The second loop antenna 32 includes a second loop unit 321, a second matching unit 322, and a second mating unit 323; the second loop unit 321 has a second main opening 3210, and the second matching unit 322 has a second sub-unit An opening 3220, the second matching unit 322 is disposed in the second loop unit 321 and electrically connected to the second loop unit 321 , and the second main opening 3210 is in communication with the second sub-opening 3220 , and second The mating unit 323 includes a third mating segment 323a and a fourth mating segment 323b, which are electrically connected to the second loop unit 321 respectively.

The feed line group 33 includes a multiplexer 331 and a ground line 332. The multiplexer 331 is located between the first array antenna 1b and the second array antenna 3a and is electrically connected to the first array antenna 1b through the transmission lines 333 and 334, respectively. The second array antenna 3a. As shown in FIG. 6, the transmission line 333 electrically connects the multiplexer 331 with the first mating segment 113a and the third mating segment 123a of the first mating unit 113, and the transmission line 334 is electrically connected to the multiplexer 331 and The first mating segment 313a and the third mating segment 323a. The grounding wire 332 is disposed on the other surface of the substrate 30, and the two ends of the grounding wire 332 are electrically connected to the first array antenna 1b and the second array antenna 3a through the conductive vias.

Further, in the present embodiment, the high gain antenna device 3 further includes a reflection plate 34 that reflects the radiation of the high gain antenna device 3 to control its radiation direction to increase the gain value of the high gain antenna device 3. The substrate 30 is spaced apart from the reflector 34, and the substrate 30 and the reflector 34 can be connected, for example, through a post.

In the embodiment shown in FIG. 6, the first array antenna 1b and the second array antenna 3a have different operating frequency bands, for example, the working frequency band of the first array antenna 1b is 2.4G and the operating frequency band of the second array antenna 3a It is 5G and can therefore be regarded as a 2×1 array antenna. By the multiplexer 331, the high gain antenna device 3 can operate in the operating frequency band of the first array antenna 1b or the operating frequency band of the second array antenna 3a.

In summary, the array antenna of the present invention and the high gain antenna device including the array antenna are provided with matching units in each loop antenna of the array antenna, even between the loop unit and the matching unit of each loop antenna. Passive components are provided so that the opening size or change of each matching unit can be adjusted The passive component adjusts the impedance matching of each loop antenna, and raises the impedance of the array antenna and the antenna device including the array antenna.

The above embodiments are intended to illustrate the principles of the invention and its effects, and are not intended to limit the invention. Any of the above-described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of protection of the present invention should be as set forth in the appended claims.

1‧‧‧Array antenna

10‧‧‧Substrate

11‧‧‧First loop antenna

111‧‧‧First loop unit

1110‧‧‧ first main opening

112‧‧‧First matching unit

1120‧‧‧ first child opening

113‧‧‧First mating unit

113a‧‧‧First matching section

113b‧‧‧Second matching section

12‧‧‧second loop antenna

121‧‧‧second loop unit

1210‧‧‧Second main opening

122‧‧‧Second matching unit

1220‧‧‧Second sub-opening

123‧‧‧Second mating unit

123a‧‧‧3rd matching section

123b‧‧‧Four matching section

13‧‧‧Feeding point

14‧‧‧reflector

Claims (16)

An array antenna includes: a reflector; a substrate disposed at a distance from the reflector; a feed point disposed on the substrate; and a first loop antenna disposed on the surface of the substrate and fed with the substrate a first loop antenna comprising: a first loop unit having a first main opening; a first matching unit having a first sub-opening in communication with the first main opening, and the first The matching unit is disposed in the first loop unit and electrically connected to the first loop unit; and the first mating unit electrically connects the feed point, the first loop unit and the first match And a second loop antenna disposed on the surface of the substrate and electrically connected to the first loop antenna by the feeding point, the second loop antenna comprising: a second loop unit The second matching unit has a second sub-opening in communication with the second main opening, and the second matching unit is disposed in the second revolving unit and electrically connected to the second revolving unit a connection; and a second mating unit electrically connecting the feed point, The second loop unit and the second matching unit, and the second mating means is electrically connected to the first distribution element is connected. An array antenna as described in claim 1 of the patent application, further comprising The passive component is disposed between the first loop unit and the first matching unit for electrically connecting the first loop unit and the first matching unit. The array antenna of claim 1, further comprising a passive component disposed between the second loop unit and the second matching unit for electrically connecting the second loop unit and The second matching unit. The array antenna of claim 1, wherein the first mating unit comprises first and second mating segments, respectively electrically connecting the feed point to the first main opening and the first The second mating unit includes a third and a fourth mating segment, respectively electrically connecting the feeding point to the two sides of the second main opening and the second sub-opening, and The first mating segment is connected to the third mating segment, and the second mating segment is connected to the fourth mating segment. The array antenna of claim 1, wherein an opening direction of the second main opening corresponds to an opening direction of the first main opening, and an opening direction of the second sub-opening corresponds to the first sub-opening Opening direction. A high-gain antenna device includes: a reflector; a substrate spaced apart from the reflector and having a first surface and a second surface; the feed line group includes a feed point and is electrically connected to the feed point And a transmission line disposed on the first surface and disposed on the second surface The grounding line; and the two sets of array antennas are respectively disposed on the first surface and the second surface of the substrate, and the two sets of array antennas are electrically connected to each other by the feeding circuit group, and each group of array antennas is respectively The first loop antenna includes: a first loop unit having a first main opening; a first matching unit having a first sub-opening in communication with the first main opening, and the first matching unit The first loop unit is electrically connected to the first loop unit; and the first mating unit is electrically connected to the feed line group, the first loop unit and the first matching unit And the second loop antenna is electrically connected to the first loop antenna by the first mating unit, the second loop antenna includes: a second loop unit having a second main opening; a second matching unit having a second sub-opening in communication with the second main opening, the second matching unit being disposed in the second revolving unit and electrically connected to the second revolving unit; and a second mating a unit electrically connected to the feed line group and the second loop Element and the second matching unit, and the second mating means is electrically connected to the first distribution element is connected. The high-gain antenna device of claim 6, further comprising a passive component disposed between the first loop unit and the first matching unit for electrically connecting the first loop unit And with the first matching unit. The high-gain antenna device of claim 6, further comprising a passive component disposed between the second loop unit and the second matching unit for electrically connecting the second loop unit And with the second matching unit. The high-gain antenna device of claim 6, wherein the first mating unit includes first and second mating segments, the first mating segment electrically connecting the transmission line and the first loop unit The second mating segment is electrically connected to the grounding line and the first loop unit, and the second mating unit includes third and fourth mating segments. The third mating segment is electrically connected to the transmission line and The second looping unit is electrically connected to the grounding wire and the second looping unit, and the first mating segment is connected to the third mating segment, and the second mating segment is connected to the second looping segment The fourth mating segment. The high gain antenna device of claim 6, wherein the two sets of array antennas are formed in a staggered manner on the first surface and the second surface of the substrate. The high gain antenna device of claim 6, wherein an opening direction of the second main opening corresponds to an opening direction of the first main opening, and an opening direction of the second sub opening corresponds to the first sub The direction of the opening of the opening. A high gain antenna device includes: a reflecting plate; the substrate is spaced apart from the reflecting plate and has an opposite first surface and a second surface; the feeding circuit group comprises a multiplexer, two groups disposed on the first surface and respectively connected to the multiplexer a transmission line and a ground line disposed on the second surface; the two sets of array antennas are electrically connected to the multiplexer by the two sets of transmission lines, and each set of array antennas comprises: a first loop antenna, including a first loop unit having a first main opening; a first matching unit having a first sub-opening in communication with the first main opening, the first matching unit being disposed in the first loop unit and The first loop unit is electrically connected; and the first mating unit is electrically connected to the feed line group, the first loop unit and the first matching unit; and the second loop antenna is The first matching unit is electrically connected to the first loop antenna, and the second loop antenna includes: a second loop unit having a second main opening; and a second matching unit having a second main unit a second sub-opening connected to the opening, the second matching unit Placed and connected to the loop of the second unit within the second electrically-back unit; and The second mating unit is electrically connected to the feed line group, the second loop unit and the second matching unit, and the second mating unit is electrically connected to the first mating unit. The high-gain antenna device of claim 12, further comprising a passive component disposed between the first loop unit and the first matching unit for electrically connecting the first loop unit with And the first matching unit. The high-gain antenna device of claim 12, further comprising a passive component disposed between the second loop unit and the second matching unit for electrically connecting the second loop unit with The second matching unit. The high-gain antenna device of claim 12, wherein the first mating unit includes first and second mating segments, the first mating segment electrically connecting the transmission line and the first loop unit The second mating segment is electrically connected to the grounding line and the first loop unit, and the second mating unit includes third and fourth mating segments. The third mating segment is electrically connected to the transmission line and The second looping unit is electrically connected to the grounding wire and the second looping unit, and the first mating segment is connected to the third mating segment, and the second mating segment is connected to the second looping segment The fourth mating segment. The high-gain antenna device of claim 12, wherein an opening direction of the second main opening corresponds to an opening direction of the first main opening, and an opening direction of the second sub-opening corresponds to the first sub- The direction of the opening of the opening.