An antenna and a drone

Abstract

The embodiment of the present application relates to the technical field of unmanned aerial vehicles, and discloses an antenna and an unmanned aerial vehicle, the antenna comprising a substrate, a feed part, a first radiation module, a second radiation module and a connecting module, the feed part comprising a first feed point and a second feed point, the first feed point being arranged on a first surface of the substrate, the second feed point being arranged on a second surface of the substrate, the first feed point and the second feed point being electrically connected, the first radiation module being arranged on the first surface of the substrate, the first radiation module being connected to the first feed point, the second radiation module being arranged on the second surface of the substrate, the second radiation module being connected to the second feed point, the first radiation module and the second radiation module both being used for receiving wireless signals, and the two ends of the connecting module being connected to the first radiation module and the second radiation module respectively. Through the above mode, the embodiment of the present application can improve the performance gain between the first radiation module and the second radiation module.

Description

TECHNICAL FIELD

[0001] The embodiment of the present application relates to the technical field of unmanned aerial vehicle, in particular to an antenna and unmanned aerial vehicle. BACKGROUND

[0002] The antenna of the unmanned aerial vehicle is used for receiving wireless signals, so as to control the flight state of the unmanned aerial vehicle, for the small unmanned aerial vehicle, the volume of the antenna also needs to be small, and the current unmanned aerial vehicle antenna is generally arranged on one side of the circuit board.

[0003] In the implementation process of the embodiment of the present application, the inventor finds that when the volume of the antenna is very small, if the antenna is arranged on one side of the circuit board only, the ability of the antenna to receive wireless signals is very weak. SUMMARY

[0004] The technical problem solved by the embodiment of the present application is to provide an antenna and unmanned aerial vehicle, which can overcome the above problems or at least partially solve the above problems.

[0005] To solve the above technical problem, one technical scheme adopted by the embodiment of the present application is to provide an antenna, the antenna comprises a substrate, a feeding portion, a first radiation module, a second radiation module and a connecting module, the feeding portion comprises a first feeding point and a second feeding point, the first feeding point is arranged on a first surface of the substrate, the second feeding point is arranged on a second surface of the substrate, the first surface and the second surface of the substrate are opposite, the first feeding point and the second feeding point are electrically connected, the first radiation module is arranged on the first surface of the substrate, one end of the first radiation module is connected to the first feeding point, the second radiation module is arranged on the second surface of the substrate, one end of the second radiation module is connected to the second feeding point, the first radiation module and the second radiation module are both used for receiving wireless signals, one end of the connecting module is connected to the first radiation module, the other end of the connecting module is connected to the second radiation module.

[0006] Optionally, the first radiation module comprises a first radiation assembly, the second radiation module comprises a second radiation assembly, the connecting module comprises a first connecting piece, the substrate is provided with a first through hole, the first radiation assembly is connected to the first feeding point, the second radiation assembly is connected to the second feeding point, the first connecting piece is inserted into the first through hole, and two ends of the first connecting piece are connected to the first radiation assembly and the second radiation assembly respectively, the first radiation assembly and the second radiation assembly are used for receiving wireless signals of a first frequency range.

[0007] Optionally, the first radiation assembly includes a first radiation arm and a second radiation arm, the second radiation assembly includes a third radiation arm and a fourth radiation arm, the number of the first through holes and the first connecting pieces is plural, one end of the first radiation arm and one end of the second radiation arm are connected to the first feeding point, a first U-shaped slot is formed between the first radiation arm and the second radiation arm, one end of the third radiation arm and one end of the fourth radiation arm are connected to the second feeding point, a second U-shaped slot is formed between the third radiation arm and the fourth radiation arm, the openings of the first U-shaped slot and the second U-shaped slot are in the same direction, one of the first connecting pieces is inserted into one of the first through holes, two ends of part of the first connecting pieces are connected to the first radiation arm and the third radiation arm respectively, and two ends of part of the first connecting pieces are connected to the second radiation arm and the fourth radiation arm respectively.

[0008] Optionally, the first radiation module further includes a third radiation assembly, the second radiation module further includes a fourth radiation assembly, the substrate is further provided with a second through hole, the connecting module includes a second connecting piece, the third radiation assembly is connected to the first feeding point, and the third radiation assembly is arranged in the first U-shaped slot, the fourth radiation assembly is connected to the second feeding point, and the fourth radiation assembly is arranged in the second U-shaped slot, the second connecting piece is inserted into the second through hole, two ends of the first connecting piece are connected to the third radiation assembly and the fourth radiation assembly respectively, and the third radiation assembly and the fourth radiation assembly are used for receiving wireless signals in a second frequency range.

[0009] Optionally, the third radiation assembly includes a fifth radiation arm and a sixth radiation arm, the fourth radiation assembly includes a seventh radiation arm and an eighth radiation arm, the number of the second through holes and the second connecting pieces is plural, the fifth radiation arm and the sixth radiation arm are connected to the first feeding point, a third U-shaped slot is formed between the fifth radiation arm and the sixth radiation arm, the seventh radiation arm and the eighth radiation arm are connected to the second feeding point, a fourth U-shaped slot is formed between the seventh radiation arm and the eighth radiation arm, the openings of the third U-shaped slot and the fourth U-shaped slot are in the same direction, one of the second connecting pieces is inserted into one of the second through holes, two ends of part of the second connecting pieces are connected to the fifth radiation arm and the seventh radiation arm respectively, and two ends of part of the second connecting pieces are connected to the sixth radiation arm and the eighth radiation arm respectively.

[0010] Optionally, the first radiation module further comprises a fifth radiation assembly, the second radiation module further comprises a sixth radiation assembly, the substrate is provided with a third through hole, the connecting module further comprises a third connecting piece, the fifth radiation assembly is connected to the first feeding point, and the fifth radiation assembly is arranged in the third U-shaped slot, the sixth radiation assembly is connected to the second feeding point, and the sixth radiation assembly is arranged in the fourth U-shaped slot, the third connecting piece is inserted into the third through hole, and two ends of the third connecting piece are connected to the fifth radiation assembly and the sixth radiation assembly respectively, and the fifth radiation assembly and the sixth radiation assembly are used for receiving wireless signals of a third frequency range.

[0011] Optionally, the fifth radiation assembly comprises a ninth radiation arm and a tenth radiation arm, the sixth radiation assembly comprises an eleventh radiation arm and a twelfth radiation arm, the number of the third through holes and the third connecting pieces is plural, the ninth radiation arm and the tenth radiation arm are connected to the first feeding point, a fifth U-shaped slot is formed between the ninth radiation arm and the tenth radiation arm, the eleventh radiation arm and the twelfth radiation arm are connected to the second feeding point, a sixth U-shaped slot is formed between the eleventh radiation arm and the twelfth radiation arm, the openings of the fifth U-shaped slot and the sixth U-shaped slot are in the same direction, one third connecting piece is inserted into one third through hole, two ends of part of the third connecting pieces are connected to the ninth radiation arm and the eleventh radiation arm respectively, and two ends of part of the third connecting pieces are connected to the tenth radiation arm and the twelfth radiation arm respectively.

[0012] Optionally, the ninth radiation arm comprises a first fixed part, a first connecting part and a first extension part, the tenth radiation arm comprises a second fixed part, a second connecting part and a second extension part, one end of the first fixed part is connected to the first feeding point, one end of the first connecting part is connected to the other end of the first fixed part, the other end of the first connecting part extends away from the tenth radiation arm, one end of the first extension part is connected to the other end of the first connecting part, the other end of the first extension part extends towards the first feeding point, one end of the second fixed part is connected to the first feeding point, the first fixed part and the second fixed part jointly form the fifth U-shaped slot, one end of the second connecting part is connected to the other end of the second fixed part, the other end of the second connecting part extends away from the ninth radiation arm, one end of the second extension part is connected to the other end of the second connecting part, and the other end of the second extension part extends towards the first feeding point.

[0013] Optionally, the substrate is further provided with a first through slot, a second through slot, a third through slot and a fourth through slot, the first through slot is located between the first radiation arm and the fifth radiation arm, the second through slot is located between the second radiation arm and the sixth radiation arm, the third through slot is located between the fifth radiation arm and the ninth radiation arm, and the fourth through slot is located between the sixth radiation arm and the tenth radiation arm.

[0014] To solve the above technical problems, another technical scheme adopted by the embodiment of the present application is to provide a UAV, which comprises the above antenna.

[0015] The beneficial effects of the embodiment of the present application are that, compared with the prior art, the embodiment of the present application sets the feeding part on the substrate, one end of the first radiation module and one end of the second radiation module are connected to the feeding part, one end of the connecting module is connected to the first radiation module, and the other end of the connecting module is connected to the second radiation module, thereby improving the directional performance of the first radiation module and the second radiation module, further improving the performance gain between the first radiation module and the second radiation module, and making the antenna have stronger ability to receive wireless signals. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0017] Figure 1 is a structural schematic diagram of a first exploded state of the antenna in the embodiment of the present application;

[0018] Figure 2 is a structural schematic diagram of a second exploded state of the antenna in the embodiment of the present application;

[0019] Figure 3 is a structural schematic diagram of a base and a connecting module in the embodiment of the present application;

[0020] Figure 4 is a parameter schematic diagram of the antenna in the embodiment of the present application;

[0021] Figure 5 is a directional parameter schematic diagram of the antenna in the embodiment of the present application under high-frequency wireless signals;

[0022] Figure 6 is a directional parameter schematic diagram of the antenna in the embodiment of the present application under medium-frequency wireless signals;

[0023] Figure 7is a directional parameter diagram of a low-frequency wireless signal of an antenna in an embodiment of the present application;

[0024] Figure 8 is a structural diagram of another embodiment of the ninth radiation assembly in the present application;

[0025] Figure 9 is a structural diagram of still another embodiment of the ninth radiation assembly in the present application. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like as used in the present specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0027] Unless otherwise defined, all technical and scientific terms used in the present specification have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the present specification includes any and all combinations of one or more related listed items.

[0028] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0029] Please refer to Figure 1 and Figure 2The antenna 100 comprises a substrate 1, a feeding portion 2, a connecting module 3, a first radiation module 4, a second radiation module 5, a third radiation module 6 and a fourth radiation module 7. The feeding portion 2 is arranged on the substrate 1, one end of the first radiation module 4 is electrically connected to the feeding portion 2, and the first radiation module 4 is arranged on a first surface of the substrate 1. One end of the second radiation module 5 is electrically connected to the feeding portion 2, the second radiation module 5 is arranged on a second surface of the substrate 1, and the first surface and the second surface of the substrate 1 are oppositely arranged. One end of the third radiation module 6 is electrically connected to the feeding portion 2, and the third radiation module 6 is arranged on the first surface of the substrate 1. One end of the fourth radiation module 7 is electrically connected to the feeding portion 2, and the fourth radiation module 7 is arranged on the second surface of the substrate 1. The first radiation module 4, the second radiation module 5, the third radiation module 6 and the fourth radiation module 7 are all used for receiving wireless signals. One end of the connecting module 3 is connected to the first radiation module 4 and the third radiation module 6 respectively, and the other end of the connecting module 3 is connected to the second radiation module 5 and the fourth radiation module 7 respectively. The connecting module 3 can improve the direction performance of the first radiation module 4 and the second radiation module 5, and the third radiation module 6 and the fourth radiation module 7, thereby improving the ability of the antenna 100 to receive wireless signals.

[0030] For the above-mentioned substrate 1, please refer to Figure 1 The substrate 1 is provided with a plurality of first through holes 101, a plurality of second through holes 102, a plurality of third through holes 103, a plurality of fourth through holes 104, a plurality of fifth through holes 105, a plurality of sixth through holes 106 and a first through slot 107. The first through slot 107 is used for accommodating a feeder coaxial line (not shown in the figure), thereby facilitating the welding and wiring of the feeder coaxial line, and the feeder coaxial line is used for connecting the feeding portion 2 and other devices, thereby transmitting the wireless signals received by the antenna 100 to other devices.

[0031] For the above-mentioned feeding portion 2, please refer to Figure 1 The feeding portion 2 comprises a first feeding point 21 and a second feeding point 22. The first feeding point 21 is arranged on the first surface of the substrate 1, the second feeding point 22 is arranged on the second surface of the substrate 1, and the first feeding point 21 and the second feeding point 22 are electrically connected. The first radiation module 4 and the third radiation module 6 are both electrically connected to the first feeding point 21, and the second radiation module 5 and the fourth radiation module 7 are both electrically connected to the second feeding point 22.

[0032] For the above-mentioned connecting module 3, please refer to Figure 3The connection module 3 includes a plurality of first connection pieces 31, a plurality of second connection pieces 32, a plurality of third connection pieces 33, a plurality of fourth connection pieces 34, a plurality of fifth connection pieces 35, and a plurality of sixth connection pieces 36. One of the first connection pieces 31 is inserted into one of the first through holes 101, and both ends of the plurality of first connection pieces 31 are connected to the first radiating module 4 and the second radiating module 5, respectively. One of the second connection pieces 32 is inserted into one of the second through holes 102, and both ends of the plurality of second connection pieces 32 are connected to the first radiating module 4 and the second radiating module 5, respectively. One of the third connection pieces 33 is inserted into one of the third through holes 103, and both ends of the plurality of third connection pieces 33 are connected to the first radiating module 4 and the second radiating module 5, respectively. One of the fourth connection pieces 34 is inserted into one of the fourth through holes 104, and both ends of the plurality of fourth connection pieces 34 are connected to the third radiating module 6 and the fourth radiating module 7, respectively. One of the fifth connection pieces 35 is inserted into one of the fifth through holes 105, and both ends of the plurality of fifth connection pieces 35 are connected to the third radiating module 6 and the fourth radiating module 7, respectively. One of the sixth connection pieces 36 is inserted into one of the sixth through holes 106, and both ends of the plurality of sixth connection pieces 36 are connected to the third radiating module 6 and the fourth radiating module 7, respectively. The plurality of first connection pieces 31, the plurality of second connection pieces 32, and the plurality of third connection pieces 33 can improve the directivity performance of the first radiating module 4 and the second radiating module 5, and the plurality of fourth connection pieces 34, the plurality of fifth connection pieces 35, and the plurality of sixth connection pieces 36 can improve the directivity performance of the third radiating module 4 and the fourth radiating module 7, thereby improving the performance gain of the antenna 100.

[0033] For the first radiating module 4 described above, refer to Figure 1 and Figure 2 The first radiating module 4 includes a first radiating assembly 41, a third radiating assembly 42, and a fifth radiating assembly 43. The first radiating assembly 41, the third radiating assembly 42, and the fifth radiating assembly 43 are connected to the first feeding point 21, and the first radiating assembly 41, the third radiating assembly 42, and the fifth radiating assembly 43 are disposed on the first surface of the substrate 1. The first radiating assembly 41 is configured to receive wireless signals in a first frequency range, the third radiating assembly 42 is configured to receive wireless signals in a second frequency range, and the fifth radiating assembly 43 is configured to receive wireless signals in a third frequency range, wherein the first frequency range, the second frequency range, and the third frequency range are different.

[0034] In particular, refer to Figure 4The first frequency range is 5.28 GHz-6.00 GHz, and the wireless signal in the first frequency range is referred to as a high-frequency-band wireless signal. The second frequency range is 2.29 GHz-2.48 GHz, and the wireless signal in the second frequency range is referred to as a medium-frequency-band wireless signal. The third frequency range is 0.86 GHz-0.94 GHz, and the wireless signal in the third frequency range is referred to as a low-frequency-band wireless signal.

[0035] For the first radiation assembly 41 described above, refer to Figure 2 The first radiation assembly 41 includes a first radiation arm 411, a second radiation arm 412, and a first U-shaped slot 413. One end of the first radiation arm 411 and one end of the second radiation arm 412 are connected to the first feeding point 21, and the first radiation arm 411 and the second radiation arm 412 form the first U-shaped slot 413 therebetween.

[0036] In some embodiments, the lengths of the first radiation arm 411 and the second radiation arm 412 are greater than or equal to 1 / 8 of the wavelength corresponding to the intermediate frequency of the high-frequency-band wireless signal, and less than or equal to 3 / 8 of the wavelength corresponding to the intermediate frequency of the high-frequency-band wireless signal. Specifically, the lengths of the first radiation arm 411 and the second radiation arm 412 are greater than or equal to 6.20 mm, and less than or equal to 18.60 mm.

[0037] For the third radiation assembly 42 described above, refer to Figure 2 The third radiation assembly 42 includes a fifth radiation arm 421, a sixth radiation arm 422, and a third U-shaped slot 423. The fifth radiation arm 421 and the sixth radiation arm 422 are connected to the first feeding point 21, and the fifth radiation arm 421 and the sixth radiation arm 422 are disposed in the first U-shaped slot 413, and the fifth radiation arm 421 and the sixth radiation arm 422 form the third U-shaped slot 423 therebetween.

[0038] In some embodiments, refer to Figure 2 The fifth radiation arm 421 and the sixth radiation arm 422 are mirror-symmetrically disposed along a first direction, the first direction is perpendicular to the direction in which the opening of the first U-shaped slot is directed, and the first feeding point 21 is located in the middle of the fifth radiation arm 421 and the sixth radiation arm 422.

[0039] In some embodiments, the length of the fifth radiation arm 421 and the sixth radiation arm 422 is greater than or equal to 1 / 8 of the wavelength corresponding to the intermediate frequency of the intermediate frequency band wireless signal, and less than or equal to 3 / 8 of the wavelength corresponding to the intermediate frequency of the intermediate frequency band wireless signal. Specifically, the length of the fifth radiation arm 421 and the sixth radiation arm 422 is greater than or equal to 14.67 mm, and less than or equal to 44.01 mm.

[0040] For the fifth radiation assembly 43 described above, refer to Figure 2 The ninth radiation arm 431 and the tenth radiation arm 432 are both connected to the first feeding point 21, and are both arranged in the third U-shaped slot 423. The fifth U-shaped slot 433 is formed between the ninth radiation arm 431 and the tenth radiation arm 432. The openings of the first U-shaped slot 413, the fifth U-shaped slot 433 and the third U-shaped slot 423 all face the same direction.

[0041] For the ninth radiation arm 431 described above, refer to Figure 2 The first fixed part 4311 of the ninth radiation arm 431 is connected to the first feeding point 21. The first connecting part 4312 of the ninth radiation arm 431 is connected to the other end of the first fixed part 4311. The other end of the first connecting part 4312 extends away from the tenth radiation arm 432. The first extending part 4313 of the ninth radiation arm 431 is connected to the other end of the first connecting part 4312. The other end of the first extending part 4313 extends towards the first feeding point 21, thereby reducing the length of the antenna 100 in the second direction, i.e., the direction in which the opening of the fifth U-shaped slot 433 faces.

[0042] For the tenth radiation arm 432 described above, refer to Figure 2The tenth radiation arm 432 includes a second fixed portion 4321, a second connecting portion 4322 and a second extending portion 4323. One end of the second fixed portion 4321 is connected to the first feeding point 21. The first fixed portion 4311 and the second fixed portion 4321 jointly form the fifth U-shaped slot 433. One end of the second connecting portion 4322 is connected to the other end of the second fixed portion 4321. The other end of the second connecting portion 4322 extends away from the ninth radiation arm 431. One end of the second extending portion 4323 is connected to the other end of the second connecting portion 4322. The other end of the second extending portion 4323 extends towards the first feeding point 21. Thus, the length of the antenna 100 in the second direction can be reduced.

[0043] In some embodiments, referring to Figure 2 The ninth radiation arm 431 and the tenth radiation arm 432 are mirror-imaged along the first direction. The first feeding point 21 is located in the middle of the ninth radiation arm 431 and the tenth radiation arm 432.

[0044] In some embodiments, the length of the ninth radiation arm 431 and the length of the tenth radiation arm 432 are both greater than or equal to 1 / 8 of the wavelength corresponding to the intermediate frequency of the low-frequency-band wireless signal, and less than or equal to 3 / 4 of the wavelength corresponding to the intermediate frequency of the low-frequency-band wireless signal. Specifically, the length of the ninth radiation arm 431 and the length of the tenth radiation arm 432 are both greater than or equal to 38.88mm, and less than or equal to 233.33mm.

[0045] For the second radiation module 5 described above, referring to Figure 1 and Figure 2The second radiation module 5 includes a second radiation component 51, a fourth radiation component 52 and a sixth radiation component 53. The second radiation component 51, the fourth radiation component 52 and the sixth radiation component 53 are arranged on the second surface of the substrate 1, and the second radiation component 51, the fourth radiation component 52 and the sixth radiation component 53 are connected to the second feeding point 22. The second radiation component 51 and the first radiation component 41 are used for receiving high-frequency wireless signals, and the plurality of first through holes 101 are uniformly distributed in the projection of the second radiation component 51 on the second surface of the substrate 1 in the third direction. One end of the plurality of first connecting members 31 is connected to the first radiation component 41, and the other end of the plurality of first connecting members 31 is connected to the second radiation component 51, thereby improving the performance gain of the first radiation module 4 and the second radiation module 5 on high-frequency wireless signals. The fourth radiation component 52 and the third radiation component 42 are used for receiving medium-frequency wireless signals, and the plurality of second through holes 102 are uniformly distributed in the projection of the fourth radiation component 52 on the second surface of the substrate 1 in the third direction. One end of the plurality of second connecting members 32 is connected to the third radiation component 42, and the other end of the plurality of second connecting members 32 is connected to the fourth radiation component 52, thereby improving the performance gain of the first radiation module 4 and the second radiation module 5 on medium-frequency wireless signals. The sixth radiation component 53 and the fifth radiation component 43 are used for receiving low-frequency wireless signals, and the plurality of third through holes 103 are uniformly distributed in the projection of the sixth radiation component 53 on the second surface of the substrate 1 in the third direction. One end of the plurality of third connecting members 33 is connected to the fifth radiation component 43, and the other end of the plurality of third connecting members 33 is connected to the sixth radiation component 53, thereby improving the performance gain of the first radiation module 4 and the second radiation module 5 on low-frequency wireless signals.

[0046] For the above-mentioned second radiation component 51, please refer to Figure 2 The second radiation component 51 includes a third radiation arm 511, a fourth radiation arm 512 and a second U-shaped slot 513. One end of the third radiation arm 511 and one end of the fourth radiation arm 512 are connected to the second feeding point 22, the third radiation arm 511 and the fourth radiation arm 512 jointly form the second U-shaped slot 513 therebetween, and the opening of the second U-shaped slot 513 and the opening of the first U-shaped slot 413 are oriented in the same direction.

[0047] In some embodiments, the length of the third radiation arm 511 and the fourth radiation arm 512 is greater than or equal to 1 / 8 of the wavelength corresponding to the intermediate frequency of the high frequency band wireless signal, and less than or equal to 3 / 8 of the wavelength corresponding to the intermediate frequency of the high frequency band wireless signal. Specifically, the length of the third radiation arm 511 and the fourth radiation arm 512 is greater than or equal to 6.20mm, and less than or equal to 18.60mm.

[0048] In some embodiments, the second radiation assembly 51 and the first radiation assembly 41 are mirror arranged along a third direction, which is perpendicular to the first direction and the second direction respectively.

[0049] For the fourth radiation assembly 52 described above, please refer to Figure 2 The fourth radiation assembly 52 includes a seventh radiation arm 521, an eighth radiation arm 522, and a fourth U-shaped slot 523. The seventh radiation arm 521 and the eighth radiation arm 522 are both arranged in the second U-shaped slot 513, and one end of the seventh radiation arm 521 and one end of the eighth radiation arm 522 are both connected to the second feeding point 22. The seventh radiation arm 521 and the eighth radiation arm 522 jointly form the fourth U-shaped slot 523, and the opening of the fourth U-shaped slot 523 and the opening of the third U-shaped slot 423 are oriented in the same direction.

[0050] In some embodiments, the length of the seventh radiation arm 521 and the eighth radiation arm 522 is greater than or equal to 1 / 8 of the wavelength corresponding to the intermediate frequency of the medium frequency band wireless signal, and less than or equal to 3 / 8 of the wavelength corresponding to the intermediate frequency of the medium frequency band wireless signal. Specifically, the length of the seventh radiation arm 521 and the eighth radiation arm 522 is greater than or equal to 14.67mm, and less than or equal to 44.01mm.

[0051] In some embodiments, the fourth radiation assembly 52 and the third radiation assembly 42 are mirror arranged along a third direction.

[0052] For the sixth radiation assembly 53 described above, please refer to Figure 2 The sixth radiation assembly 53 includes an eleventh radiation arm 531, a twelfth radiation arm 532, and a sixth U-shaped slot 533. The eleventh radiation arm 531 and the twelfth radiation arm 532 are both arranged in the fourth U-shaped slot 523, and one end of the eleventh radiation arm 531 and one end of the twelfth radiation arm 532 are both connected to the second feeding point 22. The eleventh radiation arm 531 and the twelfth radiation arm 532 jointly form the sixth U-shaped slot 533, and the opening of the sixth U-shaped slot 533 and the opening of the fifth U-shaped slot 433 are oriented in the same direction.

[0053] For the eleventh radiation arm 531 described above, please refer toFigure 2 The eleventh radiation arm 531 includes a third fixed portion 5311, a third connecting portion 5312, and a third extending portion 5313. One end of the third fixed portion 5311 is connected to the second feeding point 22. One end of the third connecting portion 5312 is connected to the other end of the third fixed portion 5311. The other end of the third connecting portion 5312 extends in a direction away from the twelfth radiation arm 532. One end of the third extending portion 5313 is connected to the other end of the third connecting portion 5312. The other end of the third extending portion 5313 extends in a direction close to the second feeding point 22. Thus, the length of the antenna 100 in the second direction can be reduced.

[0054] For the twelfth radiation arm 532 described above, refer to Figure 2 The twelfth radiation arm 532 includes a fourth fixed portion 5321, a fourth connecting portion 5322, and a fourth extending portion 5323. One end of the fourth fixed portion 5321 is connected to the second feeding point 22. The third fixed portion 5311 and the fourth fixed portion 5321 jointly form the sixth U-shaped slot 533. One end of the fourth connecting portion 5322 is connected to the other end of the fourth fixed portion 5321. The other end of the fourth connecting portion 5322 extends in a direction away from the eleventh radiation arm 531. One end of the fourth extending portion 5323 is connected to the other end of the fourth connecting portion 5322. The other end of the fourth extending portion 5323 extends in a direction close to the second feeding point 22. Thus, the length of the antenna 100 in the second direction can be reduced.

[0055] In some embodiments, the lengths of the eleventh radiation arm 531 and the twelfth radiation arm 532 are greater than or equal to 1 / 8 of the wavelength corresponding to the intermediate frequency of the low-frequency-band wireless signal, and less than or equal to 3 / 4 of the wavelength corresponding to the intermediate frequency of the low-frequency-band wireless signal. Specifically, the lengths of the eleventh radiation arm 531 and the twelfth radiation arm 532 are greater than or equal to 38.88 mm, and less than or equal to 233.33 mm.

[0056] In some embodiments, the sixth radiation assembly 53 and the fifth radiation assembly 43 are mirror-imaged along the third direction.

[0057] For the third radiation module 6 described above, refer to Figure 2The third radiation module 6 includes a seventh radiation assembly 61, an eighth radiation assembly 62, and a ninth radiation assembly 63. The seventh radiation assembly 61, the eighth radiation assembly 62, and the ninth radiation assembly 63 are connected to the first feeding point 21, and are disposed on the first surface of the substrate 1. The seventh radiation assembly 61, the first radiation assembly 41, and the second radiation assembly 51 are configured to receive high-frequency wireless signals. The eighth radiation assembly 62, the third radiation assembly 42, and the fourth radiation assembly 52 are configured to receive medium-frequency wireless signals. The ninth radiation assembly 63, the fifth radiation assembly 43, and the sixth radiation assembly 53 are configured to receive low-frequency wireless signals.

[0058] For the seventh radiation assembly 61, refer to Figure 2 The seventh radiation assembly 61 includes a thirteenth radiation arm 611, a fourteenth radiation arm 612, and a seventh U-shaped slot 613. One end of the thirteenth radiation arm 611 and one end of the fourteenth radiation arm 612 are connected to the first feeding point 21. The thirteenth radiation arm 611 and the fourteenth radiation arm 612 jointly form the seventh U-shaped slot 613, and the opening of the seventh U-shaped slot 613 is opposite to the opening of the first U-shaped slot 413.

[0059] In some embodiments, the length of the thirteenth radiation arm 611 and the length of the fourteenth radiation arm 612 are greater than or equal to 1 / 8 of the wavelength corresponding to the intermediate frequency of the high-frequency wireless signal, and less than or equal to 3 / 8 of the wavelength corresponding to the intermediate frequency of the high-frequency wireless signal. Specifically, the length of the thirteenth radiation arm 611 and the length of the fourteenth radiation arm 612 are greater than or equal to 6.20 mm, and less than or equal to 18.60 mm.

[0060] For the eighth radiation assembly 62, refer to 2, the eighth radiation assembly 62 includes a fifteenth radiation arm 621, a sixteenth radiation arm 622, and an eighth U-shaped slot 623. The fifteenth radiation arm 621 and the sixteenth radiation arm 622 are disposed in the seventh U-shaped slot 613, and one end of the fifteenth radiation arm 621 and one end of the sixteenth radiation arm 622 are connected to the first feeding point 21. The fifteenth radiation arm 621 and the sixteenth radiation arm 622 jointly form the eighth U-shaped slot 623, and the opening of the eighth U-shaped slot 623 is the same as the opening of the third U-shaped slot 423.

[0061] In some embodiments, the fifteenth radiation arm 621 and the sixteenth radiation arm 622 are mirror arranged along the first direction, and the fifteenth radiation arm 621 and the fifth radiation arm 421 are mirror arranged along the second direction, and the sixteenth radiation arm 622 and the sixth radiation assembly 322 are mirror arranged along the second direction.

[0062] For the ninth radiation assembly 63 described above, please refer to Figure 2 , the ninth radiation assembly 63 includes a first fixed arm 631, a first connecting arm 632, a first extension arm 633 and a second extension arm 634. The first fixed arm 631 is arranged in the eighth U-shaped slot, one end of the first fixed arm 631 is connected to the first feeding point 21, and the other end of the first fixed arm 631 is connected to the first connecting arm 632. One end of the first extension arm 633 is fixed to one end of the first connecting arm 632, the other end of the first extension arm 633 extends towards the first feeding point 21, and the vertical distance between the first extension arm 633 and the first fixed arm 631 from one end of the first extension arm 633 to the other end of the first extension arm 633 becomes larger and larger. One end of the second extension arm 634 is fixed to the other end of the first connecting arm 632, and the other end of the second extension arm 634 extends towards the first feeding point 21, and the vertical distance between the second extension arm 634 and the first fixed arm 631 from one end of the second extension arm 634 to the other end of the second extension arm 634 becomes larger and larger. Therefore, under the condition of ensuring that the ninth radiation assembly 63 can normally receive the length required by the low frequency end wireless signal, the length of the antenna 100 in the second direction can be reduced.

[0063] In some embodiments, please refer to Figure 8 , the first extension arm 633 and the second extension arm 634 are symmetrical relative to the first fixed arm 631, the sum of the length of the first extension arm 633, half of the length of the first connecting arm 632 and the length of the first fixed arm 431 is greater than or equal to 1 / 8 of the wavelength corresponding to the intermediate frequency of the low frequency band wireless signal, and less than or equal to 3 / 8 of the wavelength corresponding to the intermediate frequency of the low frequency band wireless signal. Specifically, the sum of the length of the first extension arm 633, half of the length of the first connecting arm 632 and the length of the first fixed arm 431 is greater than or equal to 38.88mm, and less than or equal to 116.64mm.

[0064] In some embodiments, please refer to Figure 9One end of the first extension arm 633 is fixed to one end of the first connecting arm 632, the other end of the first extension arm 633 is bent and extended towards the first feeding point 21, and the vertical distance between the first extension arm 633 and the first fixed arm 631 is getting larger from one end of the first extension arm 633 to the other end of the first extension arm 633. One end of the second extension arm 634 is fixed to the other end of the first connecting arm 632, the other end of the second extension arm 634 is bent and extended towards the first feeding point 21, and the vertical distance between the second extension arm 634 and the first fixed arm 631 is getting larger from one end of the second extension arm 634 to the other end of the second extension arm 634.

[0065] In some embodiments, referring to Figure 8 The vertical distance between the first extension arm 633 and the first fixed arm 631 is constant from one end of the first extension arm 633 to the other end of the first extension arm 633, and the vertical distance between the second extension arm 634 and the first fixed arm 631 is constant from one end of the second extension arm 634 to the other end of the second extension arm 634.

[0066] In Figure 9 and Figure 2 By setting the ninth radiation assembly 63 into different shapes, the antenna 100 can be installed in different spaces, and the antenna 100 has different directional performance for low-frequency wireless signals, thereby expanding the application range of the antenna 100.

[0067] For the fourth radiation module 7 described above, referring to Figure 2The fourth radiation module 7 includes a tenth radiation assembly 71, an eleventh radiation assembly 72 and a twelfth radiation assembly 73. The tenth radiation assembly 71, the eleventh radiation assembly 72 and the twelfth radiation assembly 73 are arranged on the second surface of the substrate 1, and are connected to the second feeding point 22. The first radiation assembly 41, the second radiation assembly 51, the seventh radiation assembly 61 and the tenth radiation assembly 71 are used for receiving high-frequency wireless signals, and the plurality of fourth through holes 104 are uniformly distributed in the projection of the tenth radiation assembly 71 on the second surface of the substrate 1 in the third direction. One end of the plurality of fourth connecting elements 34 is connected to the seventh radiation assembly 61, and the other end of the plurality of fourth connecting elements 34 is connected to the tenth radiation assembly 71, so that the performance gain of the third radiation module 6 and the fourth radiation module 7 on high-frequency wireless signals can be improved. The third radiation assembly 42, the fourth radiation assembly 52, the eighth radiation assembly 62 and the eleventh radiation assembly 72 are used for receiving medium-frequency wireless signals, and the plurality of fifth through holes 105 are uniformly distributed in the projection of the eleventh radiation assembly 72 on the second surface of the substrate 1 in the third direction. One end of the plurality of fifth connecting elements 35 is connected to the eighth radiation assembly 62, and the other end of the plurality of fifth connecting elements 35 is connected to the eleventh radiation assembly 72, so that the performance gain of the third radiation module 6 and the fourth radiation module 7 on medium-frequency wireless signals can be improved. The fifth radiation assembly 43, the sixth radiation assembly 53, the ninth radiation assembly 63 and the twelfth radiation assembly 73 are used for receiving low-frequency wireless signals, and the plurality of sixth through holes 106 are uniformly distributed in the projection of the twelfth radiation assembly 73 on the second surface of the substrate 1 in the third direction. One end of the plurality of sixth connecting elements 36 is connected to the ninth radiation assembly 63, and the other end of the plurality of sixth connecting elements 36 is connected to the twelfth radiation assembly 73, so that the performance gain of the third radiation module 6 and the fourth radiation module 7 on low-frequency wireless signals can be improved.

[0068] For the tenth radiation assembly 71 described above, refer to Figure 2 The tenth radiation assembly 71 includes a seventeenth radiation arm 711, an eighteenth radiation arm 712 and a ninth U-shaped slot 713. The seventeenth radiation arm 711 and the eighteenth radiation arm 712 are arranged on the second surface of the substrate 1, and one end of the seventeenth radiation arm 711 and one end of the eighteenth radiation arm 712 are connected to the second feeding point 22. The seventeenth radiation arm 711 and the eighteenth radiation arm 712 jointly form the ninth U-shaped slot 713, and the opening of the ninth U-shaped slot 713 and the opening of the second U-shaped slot 513 are opposite in direction.

[0069] In some embodiments, the tenth radiation component 71 and the seventh radiation component 61 are mirror arranged along the third direction.

[0070] For the eleventh radiation component 72 described above, please refer to Figure 2 The eleventh radiation component 72 includes a nineteenth radiation arm 721, a twentieth radiation arm 722 and a tenth U-slot 723. The nineteenth radiation arm 721 and the twentieth radiation arm 722 are both arranged in the ninth U-slot 713, and one end of the nineteenth radiation arm 721 and one end of the twentieth radiation arm 722 are both connected to the second feeding point 22. The nineteenth radiation arm 721 and the twentieth radiation arm 722 jointly form the tenth U-slot, and the opening of the tenth U-slot 723 is opposite to the opening of the fourth U-slot 523 in direction.

[0071] In some embodiments, the eleventh radiation component 72 and the fourth radiation component 52 are mirror arranged along the second direction.

[0072] For the twelfth radiation component 73 described above, please refer to Figure 1 The twelfth radiation component 73 includes a second fixed arm 731, a second connecting arm 732, a third extending arm 733 and a fourth extending arm 734. The second fixed arm 731 is arranged in the eighth U-slot, one end of the second fixed arm 731 is connected to the second feeding point 22, and the other end of the second fixed arm 731 is connected to the second connecting arm 732. One end of the third extending arm 733 is fixed to one end of the second connecting arm 732, the other end of the third extending arm 733 extends towards the second feeding point 22, and the vertical distance between the third extending arm 733 and the second fixed arm 731 becomes larger and larger from one end of the third extending arm 733 to the other end of the third extending arm 733. One end of the fourth extending arm 734 is fixed to the other end of the second connecting arm 732, the other end of the fourth extending arm 734 extends towards the second feeding point 22, and the vertical distance between the fourth extending arm 734 and the second fixed arm 731 becomes larger and larger from one end of the fourth extending arm 734 to the other end of the fourth extending arm 734. Therefore, the length of the antenna 100 in the second direction can be reduced while ensuring that the twelfth radiation component 73 can normally receive low-frequency end wireless signals.

[0073] In some embodiments, the twelfth radiation component 73 and the ninth radiation component 63 are mirror arranged along the third direction.

[0074] In some embodiments, please refer to Figure 2 and Figure 5The substrate 1 is further provided with a second through slot 108, a third through slot 109, a fourth through slot 110, a fifth through slot 111, a sixth through slot 112, a seventh through slot 113, an eighth through slot 114, and a ninth through slot 115. The second through slot 108 is located between the first radiation arm 411 and the fifth radiation arm 421, the third through slot 109 is located between the second radiation arm 412 and the sixth radiation arm 422, and the fifth through slot 111 is located between the sixth radiation arm 422 and the tenth radiation arm 432. The fourth through slot 110 is located between the fifth radiation arm 421 and the ninth radiation arm 431. The second through slot 108, the third through slot 109, the fourth through slot 110, and the fifth through slot 111 can reduce the medium loss between the first radiation module 4 and the second radiation module 5, thereby improving the directivity and performance gain of the antenna 100.

[0075] The sixth through slot 112 is located between the thirteenth radiation arm 611 and the fifteenth radiation arm 621, the seventh through slot 113 is located between the fourteenth radiation arm 612 and the sixteenth radiation arm 622, the eighth through slot 114 is located between the fifteenth radiation arm 621 and the first fixed arm 631, and the ninth through slot 115 is located between the sixteenth radiation arm 622 and the first fixed arm 631.

[0076] The sixth through slot 112, the seventh through slot 113, the eighth through slot 114, and the ninth through slot 115 can reduce the medium loss between the third radiation module 6 and the fourth radiation module 7, thereby improving the directivity and performance gain of the antenna 100.

[0077] In order for the reader to better understand the concept of the present application, the antenna 100 is experimentally detected as follows:

[0078] 1), for the high frequency band, the antenna 100 connects the first radiation assembly 41 and the seventh radiation assembly 61 to the first feeding point 21, connects the second radiation assembly 51 and the tenth radiation assembly 71 to the second feeding point 22, connects the first feeding point 21 and the second feeding point 22, and connects the two ends of the plurality of first connecting pieces 31 to the first radiation assembly 41 and the second radiation assembly 51, respectively, and connects the two ends of the plurality of fourth connecting pieces 34 to the second radiation assembly 51 and the tenth radiation assembly 71, respectively. Please refer to the bold solid line in Figure 5 , Figure 5 , which represents the directivity of the antenna 100 in the horizontal plane, and the dashed line represents the directivity of the antenna 100 in the vertical plane perpendicular to the horizontal plane. It can be seen from Figure 6 that the antenna 100 has omnidirectional directivity in the horizontal plane for high frequency band wireless signals.

[0079] 2), for the middle frequency band, the antenna 100 is connected to the first feeding point 21 by connecting the third radiation component 42 and the eighth radiation component 62, the fourth radiation component 52 and the eleventh radiation component 72 are connected to the second feeding point 22, and the two ends of the plurality of second connecting pieces 32 are respectively connected to the third radiation component 42 and the fourth radiation component 52, and the two ends of the plurality of fifth connecting pieces 35 are respectively connected to the eighth radiation component 62 and the eleventh radiation component 72, please refer to the thick solid line in Figure 6 , Figure 6 , the antenna 100 in the horizontal plane, the dotted line represents the antenna 100 in the vertical plane perpendicular to the horizontal plane, and the antenna 100 can be seen from Figure 7 The horizontal plane has omnidirectional directivity for the middle frequency band wireless signal.

[0080] 2), for the low frequency band, the antenna 100 is connected to the first feeding point 21 by connecting the fifth radiation component 43 and the ninth radiation component 63, the sixth radiation component 53 and the twelfth radiation component 73 are connected to the second feeding point 22, and the two ends of the plurality of third connecting pieces 33 are respectively connected to the fifth radiation component 43 and the sixth radiation component 53, and the two ends of the plurality of sixth connecting pieces 36 are respectively connected to the ninth radiation component 63 and the twelfth radiation component 73, please refer to the thick solid line in Figure 7 , Figure 7 , the antenna 100 in the horizontal plane, the dotted line represents the antenna 100 in the vertical plane perpendicular to the horizontal plane, and the antenna 100 can be seen from ​ The horizontal plane has omnidirectional directivity for the low frequency band wireless signal.

[0081] In addition, the first radiation module 4, the second radiation module 5, the third radiation module 6 and the fourth radiation module 7 are connected to the feeding part 2, which not only realizes the coverage of the antenna 100 for the high frequency band, the middle frequency band and the low frequency band wireless signal, but also reduces the volume of the antenna 100.

[0082] The application also provides a UAV embodiment, which comprises the above-mentioned antenna 100, and the specific structure and functions of the antenna 100 can be referred to the above-mentioned embodiments, which will not be described here.

[0083] The above-mentioned is only an embodiment of the application, and does not limit the patent range of the application, and any equivalent structure or equivalent process transformation using the content of the application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the application.

Claims

1. An antenna, characterized by The application relates to a feeding device, comprising: a substrate; a feeding part, comprising a first feeding point and a second feeding point, the first feeding point is arranged on a first surface of the substrate, the second feeding point is arranged on a second surface of the substrate, the first surface and the second surface of the substrate are opposite, the first feeding point and the second feeding point are electrically connected; a first radiation module, arranged on the first surface of the substrate, one end of the first radiation module is connected to the first feeding point; the first radiation module comprises a first radiation assembly, a third radiation assembly and a fifth radiation assembly; the first radiation assembly comprises a first radiation arm and a second radiation arm, a first U-shaped groove is formed between the first radiation arm and the second radiation arm; the fifth radiation assembly comprises a ninth radiation arm, a tenth radiation arm and a fifth U-shaped groove; the ninth radiation arm and the tenth radiation arm are both connected to the first feeding point, the fifth U-shaped groove is formed between the ninth radiation arm and the tenth radiation arm, the ninth radiation arm comprises a first fixing part, a first connecting part and a first extending part, the tenth radiation arm comprises a second fixing part, a second connecting part and a second extending part; one end of the first fixing part is connected to the first feeding point, one end of the first extending part is connected to the other end of the first connecting part, the other end of the first extending part extends towards the first feeding point; one end of the second fixing part is connected to the first feeding point, the first fixing part and the second fixing part jointly form the fifth U-shaped groove, one end of the second connecting part is connected to the other end of the second fixing part, the other end of the second connecting part extends away from the ninth radiation arm, one end of the second extending part is connected to the other end of the second connecting part, the other end of the second extending part extends towards the first feeding point; a second radiation module, arranged on the second surface of the substrate, one end of the second radiation module is connected to the second feeding point, the first radiation module and the second radiation module are both used for receiving wireless signals; the second radiation module comprises a second radiation assembly, a fourth radiation assembly and a sixth radiation assembly, the second radiation assembly and the first radiation assembly are jointly used for receiving high-frequency wireless signals, the fourth radiation assembly and the third radiation assembly are jointly used for receiving medium-frequency wireless signals, and the sixth radiation assembly and the fifth radiation assembly are jointly used for receiving low-frequency wireless signals; the second radiation assembly and the first radiation assembly are arranged in mirror image along a third direction, the third direction is perpendicular to a first direction and a second direction respectively, the first direction is perpendicular to a direction in which an opening of the first U-shaped groove faces, and the second direction is a direction in which an opening of the fifth U-shaped groove faces; the fourth radiation assembly and the third radiation assembly are arranged in mirror image along the third direction, and the sixth radiation assembly and the fifth radiation assembly are arranged in mirror image along the third direction; a connecting module, one end of the connecting module is connected to the first radiation module, and the other end of the connecting module is connected to the second radiation module. The substrate is further provided with a first through slot, a second through slot, a third through slot and a fourth through slot, the first through slot is located between the first radiation arm and a fifth radiation arm, the second through slot is located between the second radiation arm and a sixth radiation arm, the third through slot is located between the fifth radiation arm and a ninth radiation arm, and the fourth through slot is located between the sixth radiation arm and a tenth radiation arm.

2. The antenna of claim 1, wherein, The connecting module comprises a first connecting piece, and the substrate is provided with a first through hole; The first radiation assembly is connected to the first feed point, the second radiation assembly is connected to the second feed point, the first connecting piece is inserted into the first through hole, and two ends of the first connecting piece are respectively connected to the first radiation assembly and the second radiation assembly, and the first radiation assembly and the second radiation assembly are used for receiving wireless signals in a first frequency range.

3. The antenna of claim 2, wherein, The second radiation assembly comprises a third radiation arm and a fourth radiation arm, and the number of the first through holes and the first connecting pieces is plural; One end of the first radiation arm and one end of the second radiation arm are connected to the first feed point, one end of the third radiation arm and one end of the fourth radiation arm are connected to the second feed point, a second U-shaped slot is formed between the third radiation arm and the fourth radiation arm, the openings of the first U-shaped slot and the second U-shaped slot face the same direction, one first connecting piece is inserted into one first through hole, two ends of part of the first connecting pieces are respectively connected to the first radiation arm and the third radiation arm, and two ends of part of the first connecting pieces are respectively connected to the second radiation arm and the fourth radiation arm.

4. The antenna of claim 3, wherein, The substrate is further provided with a second through hole, and the connecting module comprises a second connecting piece; The third radiation assembly is connected to the first feed point, and the third radiation assembly is arranged in the first U-shaped slot, the fourth radiation assembly is connected to the second feed point, and the fourth radiation assembly is arranged in the second U-shaped slot, the second connecting piece is inserted into the second through hole, two ends of the second connecting piece are respectively connected to the third radiation assembly and the fourth radiation assembly, and the third radiation assembly and the fourth radiation assembly are used for receiving wireless signals in a second frequency range.

5. The antenna of claim 4, wherein, The third radiation assembly comprises a fifth radiation arm and a sixth radiation arm, the fourth radiation assembly comprises a seventh radiation arm and an eighth radiation arm, and the number of the second through holes and the second connecting pieces is plural. The fifth radiation arm and the sixth radiation arm are connected to the first feeding point, and a third U-slot is formed between the fifth radiation arm and the sixth radiation arm; the seventh radiation arm and the eighth radiation arm are connected to the second feeding point, and a fourth U-slot is formed between the seventh radiation arm and the eighth radiation arm, the openings of the third U-slot and the fourth U-slot are in the same direction, one of the second connectors is inserted into one of the second through holes, and two ends of part of the second connector are connected to the fifth radiation arm and the seventh radiation arm respectively, and two ends of part of the second connector are connected to the sixth radiation arm and the eighth radiation arm respectively.

6. The antenna of claim 5, wherein, The substrate is provided with third through holes, and the connecting module further comprises third connectors; The fifth radiation assembly is connected to the first feeding point, and the fifth radiation assembly is arranged in the third U-slot; the sixth radiation assembly is connected to the second feeding point, and the sixth radiation assembly is arranged in the fourth U-slot; the third connectors are inserted into the third through holes, and two ends of the third connectors are connected to the fifth radiation assembly and the sixth radiation assembly respectively, and the fifth radiation assembly and the sixth radiation assembly are used for receiving wireless signals in a third frequency range.

7. The antenna of claim 6, wherein, The sixth radiation assembly comprises eleventh radiation arms and twelfth radiation arms, and the number of the third through holes and the third connectors is plural; The eleventh radiation arms and the twelfth radiation arms are connected to the second feeding point, and a sixth U-slot is formed between the eleventh radiation arms and the twelfth radiation arms; the openings of the fifth U-slot and the sixth U-slot are in the same direction, one of the third connectors is inserted into one of the third through holes, and two ends of part of the third connectors are connected to the ninth radiation arms and the eleventh radiation arms respectively, and two ends of part of the third connectors are connected to the tenth radiation arms and the twelfth radiation arms respectively.

8. A drone, characterized in that, An antenna as claimed in any one of claims 1 to 7.

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