Detachable LTE antenna structure

Abstract

The utility model discloses a detachable LTE antenna structure which is applied to an unmanned aerial vehicle and comprises a PCB and a radio frequency line, a radiation oscillator and a metal ground are printed on the PCB, an IPEX terminal female end is further fixedly installed on the PCB and connected with the radiation oscillator and the metal ground, an IPEX terminal male end is installed at a first end of the radio frequency line, and a second end of the radio frequency line is connected with the IPEX terminal male end. And the radio frequency line is connected with the PCB in a pluggable manner through the IPEX terminal female end and the IPEX terminal male end. According to the detachable LTE antenna structure provided by the utility model, the onboard antenna is connected with the radio frequency line through the IPEX terminal in a plugging manner, so that the maintenance and replacement of the radio frequency line or the antenna PCB are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of antennas, in particular to a detachable LTE antenna structure. Background Art

[0002] Drones are controlled by transmitting signals through wireless electromagnetic waves and require antennas as a medium to receive and transmit wireless signals, and the antennas can enhance the wireless signals. The commonly used antennas for drones include LTE antennas. The current LTE antennas generally consist of three parts: a radiation oscillator, a metal ground, and a radio frequency line. Among them, the ground and the feed of the radio frequency line are respectively welded to the metal ground and the radiation oscillator. This kind of antenna increases the welding process. If the radio frequency line or the antenna PCB board is damaged, the entire drone needs to be disassembled to replace the antenna, resulting in great difficulty in maintenance and extremely high costs.

[0003] Therefore, the prior art needs to be improved. Summary of the Utility Model

[0004] In view of this, the utility model provides a detachable LTE antenna structure for solving the problem of great difficulty in repairing damaged LTE antennas of drones in the prior art.

[0005] To achieve one or part or all of the above purposes or other purposes, the utility model proposes a detachable LTE antenna structure applied to drones, including a PCB board and a radio frequency line. The radiation oscillator and the metal ground are printed on the PCB board. An IPEX terminal female end is fixedly installed on the PCB board. The IPEX terminal female end is connected to the radiation oscillator and the metal ground. An IPEX terminal male end is installed at the first end of the radio frequency line. The radio frequency line and the PCB board are detachably connected through the IPEX terminal female end and the IPEX terminal male end.

[0006] Preferably, the detachable LTE antenna structure further includes an antenna box and a three-interface connector. The PCB board is fixedly installed in the antenna box. A first interface is provided on the antenna box. A second interface, a third interface, and a fourth interface are provided on the three-interface connector. The antenna box and the three-interface connector are connected by docking the first interface with the second interface. The third interface is used to dock with the drone body, and the fourth interface is used to install the drone arm; the first interface and the second interface are annular.

[0007] Preferably, a first wiring hole is opened on the antenna box, and a second wiring hole is opened on the three-interface connector. The second end of the radio frequency line sequentially passes through the first wiring hole and the second wiring hole; the first wiring hole is located inside the first interface, and the second wiring hole is located inside the second interface.

[0008] Preferably, one or more first snap structures are provided on the three-interface connector, and one or more second snap structures are correspondingly provided on the antenna box. The first snap structure and the second snap structure are snapped together when the first interface and the second interface are docked. The first snap structure is located inside the second interface, and the second snap structure is located inside the first interface.

[0009] Preferably, the detachable LTE antenna structure further includes one or more first threaded fasteners. One or more lugs are provided on the three-interface connector, and first threaded holes are correspondingly provided on the lugs. First mounting holes are correspondingly provided on the antenna box. The threaded section of the first threaded fastener passes through the first mounting hole and is then screwed into the first threaded hole, thereby realizing the fixed connection between the antenna box and the three-interface connector.

[0010] Preferably, the antenna box includes a box body and a box body connecting portion. The first interface is located on the box body connecting portion. A fifth interface is further provided on the box body connecting portion. A sixth interface is provided on the box body. The box body connecting portion and the box body are connected by docking the fifth interface and the sixth interface to form a box inner cavity, and the PCB board is installed in the box inner cavity.

[0011] Preferably, a plurality of support ribs are provided in the box inner cavity for supporting and clamping the PCB board.

[0012] Preferably, the detachable LTE antenna structure further includes one or more second threaded fasteners. One or more second mounting holes are correspondingly provided on the three-interface connector. The second threaded fastener is used to pass through the second mounting hole and be threadedly connected to the UAV body during installation, thereby realizing the fixed connection between the three-interface connector and the UAV body. The second mounting hole is located inside the second interface.

[0013] Preferably, one or more limit pin holes are provided on the fourth interface for installing limit pins after the fourth interface is docked with the arm of the UAV.

[0014] Preferably, a positioning and guiding protrusion is provided on the fourth interface for guiding the installation of the arm of the UAV.

[0015] Implementing the embodiments of the present invention will have the following beneficial effects:

[0016] 1. The board-mounted antenna and the RF cable are connected by plugging and unplugging the IPEX terminals, which is convenient for the repair and replacement of the RF cable or the antenna PCB board when the RF cable or the antenna PCB board is abnormal.

[0017] 2. In the preferred solution, the antenna box is used as the carrier of the antenna, and then it is installed on the UAV through the three-interface connector, which is more convenient for installation.

[0018] 3. In the preferred solution, the antenna box and the three-interface connector are docked through the first interface and the second interface to form an interface cavity. The heads of the second threaded fasteners, the first snap structure, the second snap structure, the grounding metal sheet, and the routing of the RF cable are all hidden in the interface cavity. The connection method is stable and not easily damaged, and as much as possible, the exterior of the detachable LTE antenna structure is kept simple and smooth, which not only ensures the aesthetic appearance but also helps to reduce the impact of the antenna structure on the performance of the drone. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Among them:

[0021] Figure 1 is a top view structural diagram of the PCB board, RF cable, female IPEX terminal, and male IPEX terminal in an embodiment of the present invention;

[0022] Figure 2 is a top view structural diagram of the PCB board after installing the female IPEX terminal in an embodiment of the present invention;

[0023] Figure 3 is a front view structural diagram of the PCB board after installing the female IPEX terminal in an embodiment of the present invention;

[0024] Figure 4 is a three-dimensional structural diagram of the detachable LTE antenna structure in an embodiment of the present invention;

[0025] Figure 5 is a three-dimensional exploded structural diagram of the detachable LTE antenna structure in an embodiment of the present invention;

[0026] Figure 6 is a three-dimensional structural diagram of the three-interface connector in an embodiment of the present invention;

[0027] Figure 7 is a three-dimensional structural diagram of the box body connecting part in an embodiment of the present invention;

[0028] Figure 8 is a front view sectional structural diagram of the detachable LTE antenna structure in an embodiment of the present invention.

[0029] The description of the reference numerals is as follows: 1. PCB board; 11. Radiation element; 12. Metal ground; 13. Immersion gold area; 2. RF cable; 3. Female IPEX terminal; 4. Male IPEX terminal; 5. Antenna box; 51. Box connection part; 511. First interface; 512. First wiring hole; 513. Second snap structure; 514. First mounting hole; 515. Fifth interface; 52. Box body; 521. Sixth interface; 522. Support rib; 6. Three-interface connector; 61. Second interface; 62. Third interface; 63. Fourth interface; 631. Limit pin hole; 632. Guide protrusion; 64. Second wiring hole; 65. First snap structure; 66. Hanging ear; 661. First threaded hole; 67. Second mounting hole; 7. First threaded fastener; 8. Second threaded fastener; 100. Interface cavity; 200. Inner box cavity. Detailed implementation manners

[0030] To facilitate the understanding of the present application, the present application will be described more comprehensively below with reference to the relevant drawings. Embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the description of this application herein are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0032] It can be understood that the singular forms of "a", "an" and "the" may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms "include" or "have" and the like specify the presence of the stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0033] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be intermediate elements present simultaneously. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only. In the present utility model, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present utility model and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation or be constructed and operated in a specific orientation. Moreover, in addition to being able to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present utility model can be understood according to specific circumstances.

[0034] In addition, the terms "arranged", "provided with", "connected", "linked" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there is internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0035] Referring to Figures 1 to 3 As shown, an embodiment of the present utility model provides a detachable LTE antenna structure applied to an unmanned aerial vehicle, including a PCB board 1 and a radio frequency line 2. Radiation elements 11 and a metal ground 12 are printed on the PCB board 1. An IPEX terminal female end 3 is fixedly installed on the PCB board 1. The IPEX terminal female end 3 is connected to the radiation elements 11 and the metal ground 12. An IPEX terminal male end 4 is installed at the first end of the radio frequency line 2. The radio frequency line 2 and the PCB board 1 are detachably connected through the IPEX terminal female end 3 and the IPEX terminal male end 4. More specifically, the IPEX terminal female end 3 is attached between the radiation elements 11 and the metal ground 12 through an SMT soldering process, and an immersion gold area 13 is provided at the connection between the IPEX terminal female end 3 and the radiation elements 11 and the metal ground 12.

[0036] In some alternative embodiments, the second end of the radio frequency line 2 is also connected to the control circuit board of the unmanned aerial vehicle through a plug-in terminal.

[0037] In some alternative embodiments, such as Figures 4 to 8As shown, the detachable LTE antenna structure further includes an antenna box 5 and a three-interface connector 6. The PCB board 1 is fixedly installed in the antenna box 5. The antenna box 5 is provided with a first interface 511. The three-interface connector 6 is provided with a second interface 61, a third interface 62, and a fourth interface 63. The antenna box 5 and the three-interface connector 6 are connected by docking the first interface 511 with the second interface 61. The third interface 62 is used to dock with the UAV body, and the fourth interface 63 is used to install the UAV arm; the first interface 511 and the second interface 61 are annular. After the first interface 511 and the second interface 61 are docked, an interface cavity 100 is formed.

[0038] In some alternative embodiments, as Figures 4 to 8 shown, the antenna box 5 is provided with a first wiring hole 512, and the three-interface connector 6 is provided with a second wiring hole 64. The second end of the RF cable 2 sequentially passes through the first wiring hole 512 and the second wiring hole 64; the first wiring hole 512 is located inside the first interface 511, and the second wiring hole 64 is located inside the second interface 61. That is, after the first interface 511 and the second interface 61 are docked, the RF cable 2 routes through the interface cavity 100 and will not be exposed outside the UAV.

[0039] In some alternative embodiments, as Figures 4 to 8 shown, the three-interface connector 6 is provided with more than one first buckle structure 65, and the antenna box 5 is correspondingly provided with more than one second buckle structure 513. The first buckle structure 65 and the second buckle structure 513 are buckled with each other when the first interface 511 and the second interface 61 are docked; the first buckle structure 65 is located inside the second interface 61, and the second buckle structure 513 is located inside the first interface 511. That is, after the first interface 511 and the second interface 61 are docked, both the first buckle structure 65 and the second buckle structure 513 are located in the interface cavity 100. More specifically, as a preferred embodiment, the male IPEX terminal 4 is L-shaped, the first wiring hole 512 is a rectangular structure, which is convenient for inserting the male IPEX terminal 4 on the female IPEX terminal 3. The number of the second buckle structures 513 is one, which occupies less space in the interface cavity 100, and the first wiring hole 512 can be made as long as possible.

[0040] In some alternative embodiments, as Figures 4 to 8As shown, the detachable LTE antenna structure further includes more than one first threaded fastener 7. More than one ear 66 is provided on the three-interface connector 6. Corresponding first threaded holes 661 are provided on the ear 66, and corresponding first mounting holes 514 are provided on the antenna box 5. The threaded section of the first threaded fastener 7 passes through the first mounting hole 514 and is screwed into the first threaded hole 661, thereby realizing the fixed connection between the antenna box 5 and the three-interface connector 6.

[0041] In some alternative embodiments, as Figures 4 to 8 shown, the antenna box 5 includes a box body connection part 51 and a box body 52. The first interface 511 is located on the box body connection part 51. A fifth interface 515 is further provided on the box body connection part 51. A sixth interface 521 is provided on the box body 52. The box body connection part 51 and the box body 52 are connected by docking the fifth interface 515 and the sixth interface 521 to form a box inner cavity 200, and the PCB board is installed in the box inner cavity 200.

[0042] In some alternative embodiments, as Figures 4 to 8 shown, a plurality of support ribs 522 are provided in the box inner cavity 200 for supporting and clamping the PCB board 1.

[0043] In some alternative embodiments, as Figures 4 to 8 shown, the detachable LTE antenna structure further includes more than one second threaded fastener 8. Corresponding second mounting holes 67 are provided on the three-interface connector 6. The second threaded fastener 8 is used to threadedly connect with the UAV body after passing through the second mounting hole 67 during installation, thereby realizing the fixed connection between the three-interface connector 6 and the UAV body. The second mounting hole 67 is located inside the second interface 61. Specifically, in this example, the number of the second mounting holes 67 and the second threaded fasteners 8 is three. In some other alternative embodiments, the number of the second mounting holes 67 and the second threaded fasteners 8 can also be two or four.

[0044] In some alternative embodiments, as Figures 4 to 8 shown, the fourth interface 63 has more than one limit pin hole 631 for installing a limit pin after the fourth interface 63 is docked with the arm of the UAV.

[0045] In some alternative embodiments, as Figures 4 to 8 shown, a positioning and guiding protrusion 632 is provided on the fourth interface 63 for guiding the installation of the arm of the UAV.

[0046] In some alternative embodiments, as Figure 4 、 Figure 5 、 Figure 6 andFigure 8 As shown, the three-interface connector 6 is a tubular connector. Its two ends are respectively used as the third interface 62 and the fourth interface 63, and the second interface 61 is arranged on the side of the third-interface connector 6.

[0047] Implementing the detachable LTE antenna structure provided by the embodiments of the present invention has the following beneficial effects:

[0048] 1. The board-mounted antenna and the RF cable 2 are connected by plugging and unplugging IPEX terminals. When the RF cable 2 or the PCB board 1 of the antenna has an abnormality, it is convenient to repair and replace the RF cable 2 or the PCB board 1 of the antenna;

[0049] 2. In the preferred embodiment, the antenna box 5 is used as the carrier of the antenna, and then it is installed on the UAV through the three-interface connector 6, which is convenient to install and easy to overhaul;

[0050] 3. In the preferred embodiment, the antenna box 5 and the three-interface connector 6 are docked through the first interface 511 and the second interface 61 to form an interface cavity 100. The head of the second threaded fastener 8, the first snap structure 65, the second snap structure 513, and the routing of the RF cable 2 are all hidden in the interface cavity 100. The connection method is stable and not easy to be damaged, and as much as possible, the exterior of the detachable LTE antenna structure is kept simple and smooth, ensuring the appearance is beautiful and also conducive to reducing the impact of the detachable LTE antenna structure on the performance of the UAV.

[0051] The above-disclosed are only the preferred embodiments of the present invention. Of course, the scope of the rights of the present invention cannot be limited by this. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A detachable LTE antenna structure, applied to a drone, characterized by: It includes a PCB board and a radio frequency line. The PCB board is printed with a radiation array and a metal ground. The PCB board is also fixedly installed with an IPEX terminal female end, the IPEX terminal female end is connected to the radiation array and the metal ground, the first end of the radio frequency line is installed with an IPEX terminal male end, and the radio frequency line and the PCB board are pluggable through the IPEX terminal female end and the IPEX terminal male end.

2. The detachable LTE antenna structure according to claim 1, wherein: The detachable LTE antenna structure also includes an antenna box and a three-interface connector, the PCB board is fixedly installed in the antenna box, the antenna box is provided with a first interface, the three-interface connector is provided with a second interface, a third interface and a fourth interface, the antenna box and the three-interface connector are connected by docking the first interface and the second interface, the third interface is used to dock the drone body, and the fourth interface is used to install the drone arm; The first interface and the second interface are ring-shaped.

3. The detachable LTE antenna structure according to claim 2, wherein: The antenna box is provided with a first wiring hole, the three-interface connector is provided with a second wiring hole, and the second end of the RF line passes through the first wiring hole and the second wiring hole in sequence; the first wiring hole is located on the inner side of the first interface, and the second wiring hole is located on the inner side of the second interface.

4. The detachable LTE antenna structure according to claim 2, wherein: There is one or more first snap-in structures on the three-interface connector, and there is one or more second snap-in structures correspondingly on the antenna box. The first snap-in structures and the second snap-in structures engage with each other when the first interface and the second interface are docked; the first snap-in structure is located on the inner side of the second interface, and the second snap-in structure is located on the inner side of the first interface.

5. The detachable LTE antenna structure according to claim 2 or 4, characterized in that: The detachable LTE antenna structure also includes one or more first threaded fasteners, the three-interface connector is provided with one or more hanging ears, the hanging ears are correspondingly provided with first threaded holes, and the antenna box is correspondingly provided with first mounting holes; the threaded section of the first threaded fastener passes through the first mounting hole and is screwed into the first threaded hole, thereby realizing a fixed connection between the antenna box and the three-interface connector.

6. The detachable LTE antenna structure according to claim 2, wherein: The antenna box includes a box body and a box body connecting part. The first interface is located on the box body connecting part. The box body connecting part is also provided with a fifth interface. The box body is provided with a sixth interface. The box body connecting part and the box body are connected by docking the fifth interface and the sixth interface to form a box body cavity. The PCB board is installed in the box body cavity.

7. The detachable LTE antenna structure according to claim 6, wherein: A plurality of supporting ribs are arranged in the inner cavity of the box body for supporting and clamping the PCB board.

8. The detachable LTE antenna structure according to claim 2, wherein: The detachable LTE antenna structure also includes one or more second threaded fasteners, and the three-interface connector is provided with one or more second mounting holes correspondingly. The second threaded fasteners are used to pass through the second mounting holes during installation and then be threadedly connected to the drone body, thereby achieving a fixed connection between the three-interface connector and the drone body; the second mounting hole is located on the inner side of the second interface.

9. The detachable LTE antenna structure according to claim 2, wherein: The fourth interface is provided with one or more limit pin holes for installing the limit pins after the fourth interface is docked with the arm of the drone.

10. The detachable LTE antenna structure according to claim 2, wherein: The fourth interface is provided with a positioning guide protrusion for guiding the arm of the UAV to be installed.

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