Antenna structure and remote controller

Abstract

The utility model provides an antenna structure and a remote controller, the antenna structure comprises a first antenna module and a second antenna module, and the first antenna module and the second antenna module are arranged at an interval at a first preset distance; the first antenna modules and the second antenna modules have the same structure, each first antenna module and each second antenna module comprise a first dielectric substrate, a first radiation part, a second radiation part, a feed-in part and a transmission line, the first radiation parts and the second radiation parts are arranged on the first dielectric substrates, and the first radiation parts and the second radiation parts are symmetrically arranged at intervals; the feed-in part is arranged on the first dielectric substrate, and the feed-in part is connected to the first radiation part and the second radiation part; the transmission line is connected to the feed-in part and used for providing feed-in current for the feed-in part, the feed-in part conducts the current to the first radiation part and the second radiation part, and the first radiation part and the second radiation part radiate wireless signals of a preset frequency band and generate choking current on the outer layer of the transmission line, so that the radiation performance of the antenna structure is improved.

Description

Technical Field

[0001] The present application relates to the field of wireless communication technology, and in particular to an antenna structure and a remote controller having the antenna structure. Background Art

[0002] In some aircraft communications, ground-based remote controls are often used to communicate with the aircraft. Due to the size and structural limitations of the remote control, the antenna structure mounted on the aircraft is typically fed via a transmission line, typically a coaxial cable. Due to the structure of the coaxial cable, high-frequency currents may flow through the outer layer of the coaxial cable during the transmission of the feed current, which can adversely affect the polarization direction and performance of the antenna structure, thereby affecting the antenna structure's radiation performance. Therefore, there is still room for improvement in the design of the remote control antenna structure. Utility Model Content

[0003] In view of the above, it is necessary to provide an antenna structure and a remote control having the antenna structure, which can improve the radiation performance of the antenna structure.

[0004] In a first aspect, an embodiment of the present application provides an antenna structure, comprising a first antenna module and a second antenna module, wherein the first antenna module and the second antenna module are arranged at a first preset distance; the first antenna module and the second antenna module have the same structure, and each of the first antenna module and the second antenna module comprises: a first dielectric substrate, a first radiating portion, a second radiating portion, a feeding portion and a transmission line, wherein the first radiating portion and the second radiating portion are arranged on the first dielectric substrate, and the first radiating portion and the second radiating portion are symmetrically arranged; the feeding portion is arranged on the first dielectric substrate, and the feeding portion is connected to the first radiating portion and the second radiating portion; the transmission line is connected to the feeding portion for providing a feeding current to the feeding portion, and the feeding portion conducts the current to the first radiating portion and the second radiating portion, and the first radiating portion and the second radiating portion radiate wireless signals of a preset frequency band and choke the current in the outer layer of the transmission line.

[0005] The antenna structure of this scheme provides feed current to the first radiating part and the second radiating part through a transmission line. Since the transmission line is an unbalanced transmission line and the structure of the transmission line, high-frequency current may flow through the outer layer of the transmission line, which may easily have an adverse effect on the polarization direction and performance of the antenna structure. The first antenna module and the second antenna module are arranged at a first preset distance, and the first radiating part and the second radiating part are symmetrically arranged, so that the first radiating part and the second radiating part of the antenna form a symmetrical balanced structure, and the first antenna module and the second antenna module also form a symmetrical balanced structure, which can produce a choking effect on the current in the outer layer of the transmission line, thereby reducing the influence of the transmission line on the polarization direction and performance of the antenna structure, and thereby improving the radiation performance of the antenna structure.

[0006] In some embodiments, the first radiating portion and the second radiating portion have the same structure, the first radiating portion includes a first radiating section, a second radiating section and a first connecting section, the first radiating section and the second radiating section are respectively connected to the opposite ends of the first connecting section, and the first radiating section and the second radiating section are symmetrically arranged, and the first connecting section is connected to the feeding portion.

[0007] In some embodiments, the second radiating portion includes a third radiating segment, a fourth radiating segment and a second connecting segment, the third radiating segment and the fourth radiating segment are respectively connected to the opposite ends of the second connecting segment, and the third radiating segment and the fourth radiating segment are symmetrically arranged, the second connecting segment is connected to the feeding portion, and the second connecting segment and the first connecting segment are spaced apart.

[0008] In some embodiments, the first radiation segment, the second radiation segment, the third radiation segment and the fourth radiation segment have the same structure, each of the first radiation segment, the second radiation segment, the third radiation segment and the fourth radiation segment extends in a serpentine shape and has multiple continuously connected bending segments, the extension direction of the first radiation segment and the second radiation segment is opposite to the extension direction of the third radiation segment and the fourth radiation segment, and the first radiation segment, the second radiation segment, the third radiation segment and the fourth radiation segment are respectively arranged along the edge of the first dielectric substrate.

[0009] In some embodiments, the length of each of the first radiation segment, the second radiation segment, the third radiation segment, and the fourth radiation segment is 1 / 4 of the wavelength of the preset frequency band.

[0010] In some embodiments, the feeding portion includes a first feeding point and a second feeding point, the first feeding point is connected to the first radiating portion, the second feeding point is connected to the second radiating portion, and the first radiating portion and the second radiating portion are respectively connected to the positive and negative poles of the transmission line through the first feeding point and the second feeding point.

[0011] In some embodiments, the first feed point and the second feed point are disposed in a middle position on the surface of the first dielectric substrate. The transmission line is connected to the first feed point and the second feed point in the middle position on the surface of the first dielectric substrate. The transmission line extends from the middle position on the surface of the first dielectric substrate through an edge of the first dielectric substrate and out of the first dielectric substrate. The transmission line is spaced apart from the edge of the first dielectric substrate by a second predetermined distance.

[0012] In some embodiments, each first antenna module and second antenna module further includes: a second dielectric substrate and a reflecting portion, the second dielectric substrate being spaced apart from the first dielectric substrate; the reflecting portion being arranged along an edge of the second dielectric substrate, and the two ends of the reflecting portion being arranged opposite to each other along an edge of the second dielectric substrate, the reflecting portion being used to increase the horizontal polarization direction gain of the first radiating portion and the second radiating portion.

[0013] In some embodiments, the length of the reflective portion is 1 / 2 of the wavelength of the preset frequency band.

[0014] In a second aspect, an embodiment of the present application provides a remote controller for communicating with an aircraft, the remote controller comprising a housing and the antenna structure of the first aspect, wherein the antenna structure is housed in the housing.

[0015] In addition, the technical effects brought about by the second aspect and any possible design method thereof can be found in the description related to the methods of each design in the above method part, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram of a remote control using an antenna structure provided in an embodiment of the present application.

[0017] Figure 2 A schematic diagram of the structure of an antenna provided in an embodiment of the present application.

[0018] Figure 3 This is a schematic diagram of the three-dimensional partial decomposition structure of the antenna structure provided in an embodiment of the present application.

[0019] Figure 4 for Figure 2 A structural schematic diagram of the antenna structure from another perspective is shown.

[0020] Description of main component symbols

[0021] 200-remote controller; 210-first housing; 220-second housing;

[0022] 100-antenna structure; 10-first antenna module; 20-second antenna module;

[0023] 11-first dielectric substrate; 112-first surface; 114-second surface;

[0024] 12-first radiating portion; 122-first radiating section; 124-second radiating section; 126-first connecting section;

[0025] 13-second radiating portion; 132-third radiating section; 134-fourth radiating section; 136-second connecting section;

[0026] 14 - feeding part; 142 - first feeding point; 144 - second feeding point; 15 - transmission line; 16 - second dielectric substrate; 17 - reflecting part.

[0027] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0028] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present application, words such as "exemplary", "or", and "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or design schemes. Specifically, the use of words such as "exemplary", "or", and "for example" is intended to present related concepts in a concrete way.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are for the purpose of describing specific embodiments only and are not intended to limit this application. It should be understood that, unless otherwise specified in this application, " / " means or. For example, A / B can mean A or B. "And / or" in this application is merely a way to describe the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. "At least one" means one or more. "Multiple" means two or more than two. For example, at least one of a, b or c can mean: a, b, c, a and b, a and c, b and c, a, b and c.

[0030] Figure 1 A structural schematic diagram of a remote control using an antenna structure according to an embodiment of the present application is provided. Specifically, the antenna structure 100 can be applied to a remote control 200 for sending and receiving wireless communication signals. In some embodiments, the remote control 200 can be applied to the communication field of an aircraft to communicate wirelessly with the aircraft. The aircraft may be, but is not limited to, an unmanned aircraft, a drone, an unmanned aircraft, etc. The remote control 200 is a remote control device that matches the aircraft and can be used to remotely control the aircraft. The remote control 200 can send instructions to the aircraft by wireless transmission, thereby controlling the movement of the aircraft and the operation of other devices on the aircraft. For example, during the use of the remote control 200, in order to be able to view the camera effect in time, a display terminal such as a mobile phone or tablet is usually installed on the remote control 200. In some embodiments, the remote control 200 realizes wireless communication signals or wireless transmission by installing the antenna structure 100.

[0031] In some embodiments, the remote control 200 may include a first shell 210 and a second shell 220. The first shell 210 can be held and operated by the user. The second shell 220 can be connected to the first shell 210 in an openable and closable manner, and the second shell 220 can accommodate the antenna structure 100. In some embodiments, the remote control 200 may have a stowed state and an unfolded state. In the stowed state, the second shell 220 and the first shell 210 are stacked against each other to facilitate the storage of the remote control 200 when not in use; in the unfolded state, the second shell 220 is connected to one end of the first shell 210 and the other end is separated so that the two are arranged at a preset angle (such as Figure 1 As shown), when the remote control 200 is in use, the antenna structure 100 housed in the second shell 220 has a better radiation direction.

[0032] Figure 2 A schematic diagram of an antenna structure according to an embodiment of the present application is provided. Specifically, antenna structure 100 may include a first antenna module 10 and a second antenna module 20. Both first antenna module 10 and second antenna module 20 are housed in a second housing 220 and are symmetrically or asymmetrically spaced at a first predetermined distance. In some embodiments, the first predetermined distance may be, but is not limited to, 25-35 mm, preferably 30 mm.

[0033] The first antenna module 10 and the second antenna module 20 have the same structure. It will be appreciated that this application uses the first antenna module 10 as an example to describe its specific structure. The specific structure of the second antenna module 20 can be found in the structural description of the first antenna module 10 and will not be repeated here. Each of the first and second antenna modules 10, 20 includes a first dielectric substrate 11, a first radiating portion 12, a second radiating portion 13, a feed portion 14, and a transmission line 15.

[0034] The first dielectric substrate 11 is a generally rectangular plate-shaped structure and is used to support the first radiating portion 12, the second radiating portion 13, and the feed portion 14. In some embodiments, the first dielectric substrate 11 includes a first surface 112 and a second surface 114 disposed opposite each other. The first radiating portion 12 and the second radiating portion 13 can be disposed on the first surface 112, and the feed portion 14 can be disposed on the second surface 114. In some embodiments, the first dielectric substrate 11 can be, but is not limited to, a printed circuit board (PCB). It is understood that the first dielectric substrate 11 can also be generally square, polygonal, elliptical, irregular polygonal, etc., and this application does not provide a detailed list of these.

[0035] The first radiating portion 12 and the second radiating portion 13 are spaced symmetrically from each other. In some embodiments, the first radiating portion 12 and the second radiating portion 13 have the same structure. Both the first radiating portion 12 and the second radiating portion 13 are roughly U-shaped, with the bottom ends of the U-shape of the first radiating portion 12 and the second radiating portion 13 spaced apart from each other, with the two arms of the U-shape extending in opposite directions, thereby forming a spaced symmetrical arrangement. The first radiating portion 12 and the second radiating portion 13 are used to radiate wireless signals.

[0036] The first radiating portion 12 may include a first radiating segment 122, a second radiating segment 124, and a first connecting segment 126. The first radiating segment 122 and the second radiating segment 124 are respectively connected to opposite ends of the first connecting segment 126. In some embodiments, the first connecting segment 126 is a substantially straight segment, extending approximately in the middle of the first dielectric substrate 11 along the width of the first dielectric substrate 11. The first radiating segment 122 and the second radiating segment 124 are symmetrically disposed at opposite ends of the first connecting segment 126, and each extends along two long edges of the first dielectric substrate 11 toward one short edge of the first dielectric substrate 11.

[0037] In some embodiments, the first radiating segment 122 and the second radiating segment 124 have the same structure. Both extend in a generally serpentine shape, with multiple continuously connected bends. One end of each of the first radiating segment 122 and the second radiating segment 124 is connected to a first connecting segment 126. The first connecting segment 126 then extends in a zigzag manner along the two long edges of the first dielectric substrate 11 to a short edge close to the first dielectric substrate 11, thereby providing the first radiating segment 122 and the second radiating segment 124 with a curved, long radiation path. In some embodiments, the multiple continuously connected bends of the first radiating segment 122 and the second radiating segment 124 may be approximately right-angled. In other embodiments, the multiple continuously connected bends of the first radiating segment 122 and the second radiating segment 124 may also be circular, non-right-angled, or a combination of right-angled, non-right-angled, and circular bends, etc., without limitation herein.

[0038] The second radiating portion 13 includes a third radiating segment 132, a fourth radiating segment 134, and a second connecting segment 136. The third radiating segment 132 and the fourth radiating segment 134 are respectively connected to opposite ends of the second connecting segment 136. In some embodiments, the second connecting segment 136 is a substantially straight segment and is disposed approximately parallel to and spaced apart from the first connecting segment 126. The second connecting segment 136 extends approximately in the middle of the first dielectric substrate 11 along the width of the first dielectric substrate 11. The third radiating segment 132 and the fourth radiating segment 134 are symmetrically disposed at opposite ends of the second connecting segment 136, extending along two long edges of the first dielectric substrate 11 toward the other short edge of the first dielectric substrate 11.

[0039] In some embodiments, the third radiating segment 132 and the fourth radiating segment 134 have the same structure. Both extend in a generally serpentine shape, with multiple continuously connected bends. One end of each of the third radiating segment 132 and the fourth radiating segment 134 is connected to a second connecting segment 136. From the second connecting segment 136, the third radiating segment 132 and the fourth radiating segment 134 extend in a zigzag manner along the two long edges of the first dielectric substrate 11 to a short edge close to the other short edge of the first dielectric substrate 11, thereby providing the third radiating segment 132 and the fourth radiating segment 134 with a curved and long radiation path. In some embodiments, the third radiating segment 132 and the fourth radiating segment 134 extend in opposite directions to the first radiating segment 122 and the second radiating segment 124. The third radiating segment 132 and the first radiating segment 122 are each positioned along one long edge of the first dielectric substrate 11, while the fourth radiating segment 134 and the second radiating segment 124 are each positioned along the other long edge of the first dielectric substrate 11. In some embodiments, the multiple continuously connected bending sections of the third radiating section 132 and the fourth radiating section 134 may be bent at approximately right angles. In other embodiments, the multiple continuously connected bending sections of the third radiating section 132 and the fourth radiating section 134 may also be curved at an arc, at a non-right angle, or a combination of right angles, non-right angles, and arcs, etc., and this application is not limited thereto.

[0040] Please also refer to Figure 3The feeding portion 14 is connected to the first radiating portion 12 and the second radiating portion 13, and is used to feed current and provide it to the first radiating portion 12 and the second radiating portion 13. In some embodiments, the feeding portion 14 includes a first feeding point 142 and a second feeding point 144. The first feeding point 142 and the second feeding point 144 are spaced apart, and the first feeding point 142 is correspondingly connected to the first connecting section 126, and the second feeding point 144 is correspondingly connected to the second connecting section 136. In some embodiments, the first feeding point 142 and the second feeding point 144 can be respectively connected to the positive and negative poles of the transmission line 15, that is, the first radiating portion 12 and the second radiating portion 13 can be respectively connected to the positive and negative poles of the transmission line 15 through the first feeding point 142 and the second feeding point 144.

[0041] The transmission line 15 is electrically connected to the feed portion 14 and is used to provide a feed current to the feed portion 14 so that the feed portion 14 conducts the current to the first radiating portion 12 and the second radiating portion 13. In some embodiments, the transmission line 15 can be, but is not limited to, a coaxial cable having a positive pole and a negative pole, with the positive pole and the negative pole of the transmission line 15 being connected to the first feed point 142 and the second feed point 144, respectively. It will be understood that when the transmission line 15 transmits current to the feed portion 14, a high-frequency current may simultaneously flow through the outer layer or outer sheath of the shielding layer of the coaxial cable. In some embodiments, the transmission line 15 and the first feed point 142 and the second feed point 144 can be connected by welding or other methods. It can be understood that the present application does not limit the connection between the positive and negative poles of the transmission line 15 and the first feed point 142 and the second feed point 144, that is, the positive pole of the transmission line 15 can be connected to the first feed point 142, and the negative pole of the transmission line 15 can be connected to the second feed point 144; or the positive pole of the transmission line 15 can be connected to the second feed point 144, and the negative pole of the transmission line 15 can be connected to the first feed point 142.

[0042] In some embodiments, the first feed point 142 and the second feed point 144 are disposed in the middle of the second surface 114 of the first dielectric substrate 11. The transmission line 15 is connected to the first feed point 142 and the second feed point 144 in the middle of the second surface 114 of the first dielectric substrate 11. The transmission line 15 extends from the middle of the second surface 114 of the first dielectric substrate 11 through an edge of the first dielectric substrate 11 and out of the first dielectric substrate 11. At the point where the transmission line 15 extends out of the first dielectric substrate 11, the transmission line 15 is spaced a second predetermined distance from the edge of the first dielectric substrate 11 to mitigate the adverse effects of high-frequency currents that may exist in the outer layer of the transmission line 15 on the polarization direction and performance of the first antenna module 10 and the second antenna module 20. In some embodiments, the second predetermined distance may be greater than or equal to 0.3 mm.

[0043] Please also refer to Figure 4Each of the first antenna module 10 and the second antenna module 20 may further include a second dielectric substrate 16 and a reflective portion 17 .

[0044] The second dielectric substrate 16 is spaced apart from the first dielectric substrate 11. In some embodiments, the second dielectric substrate 16 is spaced apart from the second surface 114 of the first dielectric substrate 11, and the transmission line 15 is disposed between the second dielectric substrate 16 and the first dielectric substrate 11. The second dielectric substrate 16 is a generally rectangular plate-shaped structure and is used to support the reflector 17. In some embodiments, the reflector 17 can be disposed on the surface of the second dielectric substrate 16 opposite the first dielectric substrate 11. In some embodiments, the second dielectric substrate 16 can be, but is not limited to, a printed circuit board (PCB). It is understood that the second dielectric substrate 16 can also be generally square, polygonal, elliptical, irregular polygonal, etc., and this application does not provide a detailed list of these.

[0045] The reflective portion 17 is disposed along the edge of the surface of the second dielectric substrate 16. Specifically, the reflective portion 17 is a roughly U-shaped metal segment, disposed along the four side edges of the second dielectric substrate 16, with the two ends of the reflective portion 17 disposed opposite each other along one of the long edges of the second dielectric substrate 16. In some embodiments, the reflective portion 17 may be a reflective branch, which can be used to increase the horizontal polarization gain of the first radiating portion 12 and the second radiating portion 13, thereby enabling long-distance image transmission of the antenna structure 100. In some embodiments, the reflective portion 17 is separated from the first radiating portion 12 and the second radiating portion 13 by a third predetermined distance. In some embodiments, the third predetermined distance may be greater than or equal to 10 mm.

[0046] When antenna structure 100 is in operation, transmission line 15 provides feed current to first feed point 142 and second feed point 144. First feed point 142 and second feed point 144 conduct the current to first radiating portion 12 and second radiating portion 13. First radiating portion 12 and second radiating portion 13 conduct the current to jointly radiate wireless signals in a predetermined frequency band. In some embodiments, the predetermined frequency band may range from 2.4 GHz to 2.5 GHz, for example. When the transmission line 15 transmits current to the feeding part 14, high-frequency current may flow through the outer layer or outer skin of the transmission line 15 at the same time. The symmetrical structure formed by the first radiating section 122, the first connecting section 126, and the second radiating section 124, the symmetrical structure formed by the third radiating section 132, the second connecting section 136 and the fourth radiating section 134, and the symmetrical structure formed by the first radiating section 12 and the second radiating section 13 enable the first radiating section 12 and the second radiating section 13 to form a balanced antenna; at the same time, the spacing structure formed by the first antenna module 10 and the second antenna module 20 enables the first antenna module 10 and the second antenna module 20 to form a balanced-unbalanced converter, which can play a current choking role on the high-frequency current flowing through the outer layer or outer skin of the transmission line 15, and produce a choking effect on the high-frequency current, thereby reducing the influence of the transmission line 15 on the polarization direction and performance of the antenna structure 100, thereby improving the radiation performance of the antenna structure 100.

[0047] In some embodiments, the length of each of the first radiation segment 122, the second radiation segment 124, the third radiation segment 132, and the fourth radiation segment 134 is 1 / 4 of the wavelength of the preset frequency band, i.e., λ / 4. The length of the reflective portion 17 is 1 / 2 of the wavelength of the preset frequency band, i.e., λ / 2.

[0048] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments and that the present application can be implemented in other specific forms without departing from the spirit or essential features of the present application. Therefore, as long as they are within the scope of the essence of the present application, appropriate changes and modifications made to the above embodiments should fall within the scope of protection claimed in the present application.

Claims

1. An antenna structure, characterized in that: The antenna structure comprises: a first antenna module and a second antenna module, wherein the first antenna module and the second antenna module are arranged at a first preset distance; The first antenna module and the second antenna module have the same structure, and each of the first antenna module and the second antenna module includes: a first dielectric substrate, A first radiating portion and a second radiating portion are provided on the first dielectric substrate, wherein the first radiating portion and the second radiating portion are symmetrically arranged with an interval; a feeding portion, disposed on the first dielectric substrate, the feeding portion being connected to the first radiating portion and the second radiating portion; and A transmission line is connected to the feeding part and is used to provide a feeding current to the feeding part. The feeding part conducts the current to the first radiating part and the second radiating part. The first radiating part and the second radiating part radiate wireless signals of a preset frequency band and choke the current in the outer layer of the transmission line.

2. The antenna structure according to claim 1, wherein: The first radiating portion and the second radiating portion have the same structure. The first radiating portion includes a first radiating section, a second radiating section and a first connecting section. The first radiating section and the second radiating section are respectively connected to opposite ends of the first connecting section, and the first radiating section and the second radiating section are symmetrically arranged. The first connecting section is connected to the feeding portion.

3. The antenna structure according to claim 2, characterized in that: The second radiating portion includes a third radiating segment, a fourth radiating segment and a second connecting segment. The third radiating segment and the fourth radiating segment are respectively connected to opposite ends of the second connecting segment, and the third radiating segment and the fourth radiating segment are symmetrically arranged. The second connecting segment is connected to the feeding portion, and the second connecting segment is spaced apart from the first connecting segment.

4. The antenna structure according to claim 3, characterized in that: The first radiating segment, the second radiating segment, the third radiating segment, and the fourth radiating segment have the same structure. Each of the first radiating segment, the second radiating segment, the third radiating segment, and the fourth radiating segment extends in a serpentine shape and has a plurality of continuously connected bending segments. The extension direction of the first radiating segment and the second radiating segment is opposite to the extension direction of the third radiating segment and the fourth radiating segment. The first radiating segment, the second radiating segment, the third radiating segment, and the fourth radiating segment are respectively arranged along the edge of the first dielectric substrate.

5. The antenna structure according to claim 4, characterized in that: The length of each of the first radiation segment, the second radiation segment, the third radiation segment, and the fourth radiation segment is 1 / 4 of the wavelength of the preset frequency band.

6. The antenna structure according to claim 1, wherein: The feeding portion includes a first feeding point and a second feeding point, the first feeding point is connected to the first radiating portion, the second feeding point is connected to the second radiating portion, and the first radiating portion and the second radiating portion are respectively connected to the positive pole and the negative pole of the transmission line through the first feeding point and the second feeding point.

7. The antenna structure according to claim 6, characterized in that: The first feeding point and the second feeding point are arranged in the middle of the surface of the first dielectric substrate. The transmission line is connected to the first feeding point and the second feeding point in the middle of the surface of the first dielectric substrate. The transmission line extends from the middle of the surface of the first dielectric substrate through an edge of the first dielectric substrate and out of the first dielectric substrate. The transmission line is arranged at a second preset distance from the edge of the first dielectric substrate.

8. The antenna structure according to claim 1, wherein: Each of the first antenna module and the second antenna module further includes: a second dielectric substrate, the second dielectric substrate being spaced apart from the first dielectric substrate; and A reflecting portion is provided along an edge of the second dielectric substrate, and two ends of the reflecting portion are provided opposite to each other along an edge of the second dielectric substrate, and the reflecting portion is used to increase horizontal polarization direction gain of the first radiating portion and the second radiating portion.

9. The antenna structure according to claim 8, characterized in that: The length of the reflecting portion is 1 / 2 of the wavelength of the preset frequency band.

10. A remote controller for communicating with an aircraft, characterized in that: The remote controller includes a housing and the antenna structure according to any one of claims 1 to 9, wherein the antenna structure is accommodated in the housing.

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