CN207925670U - Unmanned plane built-in aerial and unmanned plane - Google Patents
Unmanned plane built-in aerial and unmanned plane Download PDFInfo
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- CN207925670U CN207925670U CN201820261697.1U CN201820261697U CN207925670U CN 207925670 U CN207925670 U CN 207925670U CN 201820261697 U CN201820261697 U CN 201820261697U CN 207925670 U CN207925670 U CN 207925670U
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Abstract
A kind of unmanned plane built-in aerial of the utility model offer and unmanned plane.Wherein, the unmanned plane built-in aerial, including：Substrate and the microstrip antenna being disposed on the substrate, substrate are equipped with the first face and the second face being oppositely arranged；Microstrip antenna includes：Microstrip feed line in the first face of substrate is set, antenna oscillator arm, returns ground wire and the first ground terminal, the second ground terminal and feeding coaxial lines in the second face of substrate are set；Wherein, the first end of the feed end of feeding coaxial lines and microstrip feed line connects, and the ground terminal of feeding coaxial lines is connect with the first ground terminal；The first end for returning ground wire is connect with the first end of antenna oscillator arm, and the second end for returning ground wire is connect with the first ground terminal；First ground terminal is connect with the second ground terminal；The second end of microstrip feed line is connect with antenna oscillator arm.Unmanned plane built-in aerial provided by the utility model disclosure satisfy that the bulk being built in unmanned plane requirement, and since the presence of the second ground terminal makes the influence of environmental disturbances smaller.
Description
Technical Field
The embodiment of the utility model provides an antenna technology field especially relates to an unmanned aerial vehicle built-in antenna and unmanned aerial vehicle.
Background
With the rapid development of wireless communication and the demand of various data services, the antenna design is mainly developed towards miniaturization, multiple frequency bands and wide frequency bands. Microstrip antennas are increasingly used because of their compact structure, small size, light weight, low cost, easy integration with microstrip lines, and the like. The microstrip antenna is formed by attaching a conductor patch on a dielectric substrate with a ground plate, and an electromagnetic field is excited between the conductor patch and the ground plate by feeding a coaxial line to radiate outwards by using a gap.
The existing built-in antenna of the unmanned aerial vehicle is generally arranged in a foot rest and is generally 2.4GHz and 5.8GHz microstrip antennas, and the microstrip antenna (such as a 900MHz microstrip antenna) working at a low frequency band is large in size and limited by the size of the foot rest, so that the built-in antenna cannot be arranged in the foot rest. Although the space size of the unmanned aerial vehicle horn is larger than that of the unmanned aerial vehicle foot rest, the environment of the unmanned aerial vehicle horn is complex, and communication signals of the antenna are easily influenced.
Therefore, for those skilled in the art, it is necessary to implement an internal antenna of an unmanned aerial vehicle that can solve both the problem of space size and the problem of environmental interference.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an unmanned aerial vehicle built-in antenna and unmanned aerial vehicle to solve space size problem and environmental disturbance problem.
In order to solve the technical problem, the embodiment of the utility model provides a following technical scheme:
in a first aspect, an embodiment of the utility model provides an unmanned aerial vehicle built-in antenna, include:
the microstrip antenna comprises a substrate and a microstrip antenna arranged on the substrate, wherein the substrate is provided with a first surface and a second surface which are oppositely arranged;
the microstrip antenna includes: the antenna comprises a substrate, a microstrip feeder line, an antenna oscillator arm, a ground return line, a first grounding end, a second grounding end and a feeding coaxial line, wherein the microstrip feeder line, the antenna oscillator arm, the ground return line and the first grounding end are arranged on a first surface of the substrate;
the feed end of the feed coaxial line is connected with the first end of the microstrip feed line, and the grounding end of the feed coaxial line is connected with the first grounding end;
the first end of the ground return wire is connected with the first end of the antenna oscillator arm, and the second end of the ground return wire is connected with the first grounding end;
the first grounding end is connected with the second grounding end;
and the second end of the microstrip feeder line is connected with the antenna oscillator arm.
In one possible implementation, the ground return line and the microstrip feed line are parallel to each other;
the antenna oscillator arm is perpendicular to the ground return line and the microstrip feeder line respectively; or,
the ground return wire and the microstrip feeder line form a U shape, and the antenna oscillator arm is perpendicular to the microstrip feeder line.
In one possible implementation manner, the antenna oscillator arm is arranged at the edge of the substrate along the length direction of the substrate.
In one possible implementation manner, the first ground terminal is disposed on the first surface of the substrate along a length direction of the substrate.
In a possible implementation manner, the second ground terminal is disposed in a middle of the second surface of the substrate along a length direction of the substrate, and a projected area of the second ground terminal on the substrate is located within a projected area of the first ground terminal on the substrate.
In a possible implementation manner, the second grounding terminal is arranged on the substrate along the length direction of the substrate, and the second grounding terminal is arranged on the projection area on the substrate, which is larger than or equal to the projection area on the substrate of the motor line and the lamp panel line in the arm of the unmanned aerial vehicle.
In one possible implementation, the antenna further includes at least one through hole disposed on the substrate;
the first ground terminal and the second ground terminal are connected through the at least one through hole.
In one possible implementation, the substrate is a substrate made of an FR-4 grade material.
In one possible implementation, the microstrip antenna is a 900MHz microstrip antenna.
In a second aspect, an embodiment of the present invention provides an unmanned aerial vehicle, including a horn, and an unmanned aerial vehicle internal antenna as in any one of the first aspect, wherein the unmanned aerial vehicle internal antenna is disposed in the horn.
The embodiment of the utility model provides an unmanned aerial vehicle built-in antenna and unmanned aerial vehicle, base plate and set up the microstrip antenna on the base plate, the base plate is equipped with relative first face and the second face that sets up; the microstrip antenna includes: the antenna comprises a substrate, a microstrip feeder line, an antenna oscillator arm, a ground return line, a first grounding end, a second grounding end and a feeding coaxial line, wherein the microstrip feeder line, the antenna oscillator arm, the ground return line and the first grounding end are arranged on a first surface of the substrate; the feed end of the feed coaxial line is connected with the first end of the microstrip feed line, and the grounding end of the feed coaxial line is connected with the first grounding end; the first end of the ground return wire is connected with the first end of the antenna oscillator arm, and the second end of the ground return wire is connected with the first grounding end; the first grounding end is connected with the second grounding end; the second end of microstrip feeder with the antenna element arm is connected, and above-mentioned unmanned aerial vehicle built-in antenna's microstrip antenna sets up on the base plate, can embed in unmanned aerial vehicle, and satisfies built-in space dimension requirement, moreover because the existence of second earthing terminal for inside cables such as the coaxial line of the inside motor line of unmanned aerial vehicle, lamp plate line and other antennas are less to the influence that this built-in antenna produced, thereby make this built-in antenna can normally work under the electromagnetic environment of complicacy.
Drawings
Fig. 1 is a schematic structural diagram i of an embodiment of an internal antenna of an unmanned aerial vehicle according to the present invention;
fig. 2 is a schematic structural diagram ii of an embodiment of an internal antenna of an unmanned aerial vehicle according to the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the internal antenna of the unmanned aerial vehicle according to the present invention;
fig. 4 is a schematic diagram of scattering parameters of a microstrip antenna according to an embodiment of the present invention;
fig. 5 is the utility model discloses an unmanned aerial vehicle embeds antenna pattern of an embodiment.
Description of reference numerals:
1. an unmanned aerial vehicle arm;
2. an unmanned aerial vehicle foot rest;
3. a motor;
101. a feed coaxial line;
102. a through hole;
103. a first ground terminal;
104. a ground return wire;
105. a microstrip feed line;
106. an antenna dipole arm;
107. a substrate;
108. and a second ground terminal.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The embodiment of the utility model provides an in built-in antenna can be applied to unmanned aerial vehicle. The embodiment of the utility model provides an in unmanned aerial vehicle can be applied to in military use and civilian scene, civilian scene for example including taking photo by plane, express delivery transportation, disaster relief, observing in the application scene such as wild animal, survey and drawing, news report, electric power are patrolled and examined.
The embodiment of the utility model provides a built-in antenna, through with microstrip antenna setting on the base plate, microstrip antenna includes: the antenna comprises a feed coaxial line, a first grounding end, a return ground line, a microstrip feed line, an antenna oscillator arm and a second grounding end. The first grounding end, the return ground wire, the microstrip feeder line and the antenna oscillator arm are arranged on the first surface of the substrate, and the second grounding end is arranged on the second surface of the substrate so as to solve the problems of space size and environmental interference.
The technical solution of the present invention will be described in detail with reference to the following specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 1 is the utility model provides a structural schematic diagram of an unmanned aerial vehicle built-in antenna embodiment is one. Fig. 2 is the embodiment of the utility model provides a structural schematic diagram two of built-in antenna of unmanned aerial vehicle embodiment. As shown in fig. 1 and fig. 2, the internal antenna of the unmanned aerial vehicle of the present embodiment may include:
the antenna comprises a substrate 107 and a microstrip antenna arranged on the substrate 107, wherein the substrate 107 comprises a first surface and a second surface which are oppositely arranged.
The microstrip antenna includes: a feeding coaxial line 101, a first grounding terminal 103, a return ground line 104, a microstrip feeding line 105, an antenna oscillator arm 106 and a second grounding terminal 108. The first ground terminal 103, the ground return line 104, the microstrip feed line 105, and the antenna dipole arm 106 are disposed on a first surface of the substrate 107, and the second ground terminal 108 is disposed on a second surface of the substrate 107.
Specifically, a feeding end of the feeding coaxial line 101 is connected to a first end of the microstrip feeding line 105, and a grounding end of the feeding coaxial line 101 is connected to a first grounding end 103;
a first end of the ground return line 104 is connected to a first end of the antenna dipole arm 106, and a second end of the ground return line 104 is connected to the first ground terminal 103;
the first ground terminal 103 is connected to the second ground terminal 108;
a second end of the microstrip feed line 105 is connected to the antenna dipole arm 106;
the base plate 107 may be disposed within the horn of the drone.
It is understood that in other embodiments, one end of the ground return line 104 may also be extended vertically to the second end of the microstrip feed line 105, that is, the first end of the ground return line 104 is connected to the second end of the microstrip feed line 105 and the first end of the antenna dipole arm 106, respectively, and the second end of the ground return line 104 is connected to the first ground terminal 103.
As shown in fig. 1, the ground return line 104 may include two portions perpendicular to each other, a first portion parallel to the microstrip feed line 105, and a second portion perpendicular to the microstrip feed line 105 and connected to a second end of the microstrip feed line 105 and a first end of the antenna dipole arm 106, respectively.
Specifically, as shown in fig. 3, the size of the foot stool 2 of the unmanned aerial vehicle is limited, and the unmanned aerial vehicle can only accommodate a high-frequency microstrip antenna such as 2.4GHz, so that the built-in microstrip antenna (low-frequency microstrip antenna such as 900 MHz) of the unmanned aerial vehicle is placed in the arm 1 of the unmanned aerial vehicle with a complex environment, and finally the microstrip antenna can still normally work in the complex environment such as a motor line for operating the power supply machine and a lamp board line for operating the indicator lamp.
In fig. 3, an unmanned aerial vehicle foot rest 2 and an unmanned aerial vehicle arm 1 are connected with a motor 3.
The built-in antenna of the unmanned aerial vehicle can be a 900MHz microstrip antenna.
It should be noted that the internal antenna in the embodiment of the present invention can also work in other frequency bands, and the present invention is not limited thereto.
This unmanned aerial vehicle built-in antenna mainly includes: a radiating element (a return ground line 104, a microstrip feed line 105, and an antenna dipole arm 106), a first ground terminal 103, and a second ground terminal 108.
Second earthing terminal 108 is hugged closely to the coaxial line of the motor line that passes in following unmanned aerial vehicle horn 1, lamp plate line and other antennas for the coaxial line of motor line, lamp plate line and other antennas in unmanned aerial vehicle horn 1 is less to the influence that this built-in antenna produced, thereby makes this built-in antenna can normally work under the electromagnetic environment of complicacy.
The feed end of the feed coaxial line 101 is connected to the first end of the microstrip feed line 105, the ground end of the feed coaxial line 101 is connected to the ground end on the front side of the substrate (i.e. the first ground end 103 of the substrate), and the feed coaxial line 101 is connected to the radio frequency board of the drone.
In some embodiments, further comprising at least one via 102 disposed on the substrate 107;
the first ground terminal 103 of the substrate 107 may be connected to the second ground terminal 108 (i.e., the back ground terminal) of the substrate 107 through the at least one through hole 102.
A first end of the ground return line 104 is connected to a first end of the antenna dipole arm 106, and a second end of the ground return line 104 is connected to the first ground terminal 103.
In some embodiments, the substrate 107 is a substrate made of an FR-4 grade material.
Specifically, FR-4 is a code of a flame-retardant material grade, which means a material specification that a resin material must be self-extinguished after burning, and it is not a material name but a material grade, so that there are very many kinds of FR-4 grade materials currently used for general circuit boards, but most of them are composite materials made of so-called tetra-functional (terra-Function) epoxy resin plus Filler (Filler) and glass fiber.
In one example of the present invention, the overall size of the antenna substrate is 87 × 18 × 0.6mm3. That is, the substrate had a length of 87mm, a width of 18mm and a thickness of 0.6 mm.
The built-in antenna of unmanned aerial vehicle of this embodiment includes: the microstrip antenna comprises a substrate and a microstrip antenna arranged on the substrate, wherein the substrate is provided with a first surface and a second surface which are oppositely arranged; the microstrip antenna includes: the antenna comprises a micro-strip feeder line, an antenna oscillator arm, a ground return line, a first grounding end, a second grounding end and a feeding coaxial line, wherein the micro-strip feeder line, the antenna oscillator arm, the ground return line and the first grounding end are arranged on a first surface of a substrate; the feed end of the feed coaxial line is connected with the first end of the microstrip feed line, and the grounding end of the feed coaxial line is connected with the first grounding end; the first end of the ground return wire is connected with the first end of the antenna oscillator arm, and the second end of the ground return wire is connected with the first grounding end; the first grounding end is connected with the second grounding end; the second end and the antenna element arm of microstrip feeder are connected, above-mentioned unmanned aerial vehicle built-in antenna's microstrip antenna sets up on the base plate, can embed in unmanned aerial vehicle, and satisfy built-in space size requirement, moreover because the existence of second earthing terminal for inside cables such as the coaxial line of unmanned aerial vehicle inside motor line, lamp plate line and other antennas are less to the influence that this built-in antenna produced, thereby make this built-in antenna can normally work under the electromagnetic environment of complicacy.
On the basis of the above embodiment, optionally, as shown in fig. 1, the ground return line 104 and the microstrip feed line 105 are parallel to each other;
the antenna dipole arm 106 is respectively perpendicular to the return ground wire 104 and the microstrip feeder 105; or,
the ground return line 104 and the microstrip feed line 105 form a U-shape, and the antenna dipole arm 106 is perpendicular to the microstrip feed line 105.
As shown in fig. 1, the ground return line 104 may include two portions perpendicular to each other, a first portion parallel to the microstrip feed line 105, and a second portion perpendicular to the microstrip feed line 105 and connected to a second end of the microstrip feed line 105 and a first end of the antenna dipole arm 106, respectively.
In some embodiments, as shown in fig. 1, the antenna dipole arm 106 is disposed at an edge of the substrate 107 along a length direction of the substrate 107.
Specifically, as shown in fig. 1, the built-in antenna is in the form of an inverted F antenna, and the antenna occupies a small space.
It should be noted that other antenna structures such as monopole, dipole, loop antenna, etc. may be adopted in other embodiments.
In some embodiments, as shown in fig. 1, the first ground terminal 103 is disposed on the first side of the substrate 107 along the length direction of the substrate 107.
In some embodiments, as shown in fig. 2, the second ground 108 is disposed in the middle of the second surface of the substrate 107 along the length direction of the substrate 107, and the projected area of the second ground 108 on the substrate 107 is within the projected area of the first ground 103 on the substrate 107.
Specifically, the projected area of the second ground terminal 108 on the substrate 107 may coincide with a part of the projected area of the first ground terminal 103 on the substrate 107.
It should be noted that the second grounding terminal 108 contacting the motor line, the lamp panel line and the coaxial line on the second surface of the substrate may be located in the middle of the substrate, or the position of the second grounding terminal 108 may be located on the second surface of the substrate at a position coinciding with the projection of the motor line, the lamp panel line and the coaxial line according to the change of the structure.
In some embodiments, as shown in fig. 2, the second ground terminal 108 is disposed on the substrate 107 along the length direction of the substrate 107, and the projection area of the second ground terminal 108 on the substrate 107 is greater than or equal to the projection area of the motor line and the lamp panel line in the arm of the drone on the substrate.
It should be noted that the area of the second ground terminal 108 may be slightly larger than the projected area of the back trace to be covered, that is, the area of the second ground terminal 108 may be increased at a position that is not overlapped with the projection of the antenna radiation unit (e.g., the ground return line 104, the microstrip feed line 105, and the antenna dipole arm 106).
Among the above-mentioned embodiment, follow the motor line that passes in the unmanned aerial vehicle horn, second earthing terminal is hugged closely to lamp plate line and coaxial line, because the projection area of second earthing terminal on the base plate, the projection area of motor line and lamp plate line on the base plate in being greater than or equal to the unmanned aerial vehicle horn, consequently walked the line with the base plate back and covered for the influence that motor line, lamp plate line and coaxial line in the horn produced the antenna is less, thereby makes the antenna can normally work under complicated electromagnetic environment.
The following is an example of an antenna operating in the 900MHz band:
fig. 4 is the utility model discloses a microstrip antenna scattering parameter schematic diagram of built-in antenna of unmanned aerial vehicle embodiment. Fig. 4 shows Scattering parameters (S parameters for short) of the dual-frequency microstrip antenna, and as can be seen from fig. 4, the bandwidth of the S parameter smaller than-10 dB is 897MHz-935MHz, that is, the internal antenna can operate at 897MHz-935MHz, and the bandwidth is 38MHz, which can satisfy the coverage of the commonly used 900MHz frequency band.
The directional pattern of the antenna is shown in fig. 5, and it can be seen from fig. 5 that the antenna can achieve substantially omnidirectional coverage at 900 MHz.
The embodiment of the utility model provides a still provide an unmanned aerial vehicle, including the horn, still include as in any one of above-mentioned embodiment unmanned aerial vehicle built-in antenna, wherein this unmanned aerial vehicle built-in antenna sets up in the unmanned aerial vehicle horn.
This unmanned aerial vehicle built-in antenna includes:
the microstrip antenna comprises a substrate and a microstrip antenna arranged on the substrate, wherein the substrate is provided with a first surface and a second surface which are oppositely arranged;
the microstrip antenna includes: the antenna comprises a substrate, a microstrip feeder line, an antenna oscillator arm, a ground return line, a first grounding end, a second grounding end and a feeding coaxial line, wherein the microstrip feeder line, the antenna oscillator arm, the ground return line and the first grounding end are arranged on a first surface of the substrate;
the feed end of the feed coaxial line is connected with the first end of the microstrip feed line, and the grounding end of the feed coaxial line is connected with the first grounding end;
the first end of the ground return wire is connected with the first end of the antenna oscillator arm, and the second end of the ground return wire is connected with the first grounding end;
the first grounding end is connected with the second grounding end;
and the second end of the microstrip feeder line is connected with the antenna oscillator arm.
The built-in antenna of unmanned aerial vehicle in this embodiment, its realization principle is similar with aforementioned embodiment, and this is no longer repeated here.
The built-in antenna of unmanned aerial vehicle of this embodiment includes: the microstrip antenna comprises a substrate and a microstrip antenna arranged on the substrate, wherein the substrate is provided with a first surface and a second surface which are oppositely arranged; the microstrip antenna includes: the antenna comprises a micro-strip feeder line, an antenna oscillator arm, a ground return line, a first grounding end, a second grounding end and a feeding coaxial line, wherein the micro-strip feeder line, the antenna oscillator arm, the ground return line and the first grounding end are arranged on a first surface of a substrate; the feed end of the feed coaxial line is connected with the first end of the microstrip feed line, and the grounding end of the feed coaxial line is connected with the first grounding end; the first end of the ground return wire is connected with the first end of the antenna oscillator arm, and the second end of the ground return wire is connected with the first grounding end; the first grounding end is connected with the second grounding end; the second end and the antenna element arm of microstrip feeder are connected, above-mentioned unmanned aerial vehicle built-in antenna's microstrip antenna sets up on the base plate, can embed in unmanned aerial vehicle, and satisfy built-in space size requirement, moreover because the existence of second earthing terminal for inside cables such as the coaxial line of unmanned aerial vehicle inside motor line, lamp plate line and other antennas are less to the influence that this built-in antenna produced, thereby make this built-in antenna can normally work under the electromagnetic environment of complicacy.
The above description has been made in detail with reference to the accompanying drawings, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the invention as long as it does not violate the idea of the present invention.
Claims (10)
1. An unmanned aerial vehicle built-in antenna, its characterized in that includes:
the microstrip antenna comprises a substrate and a microstrip antenna arranged on the substrate, wherein the substrate is provided with a first surface and a second surface which are oppositely arranged;
the microstrip antenna includes: the antenna comprises a substrate, a microstrip feeder line, an antenna oscillator arm, a ground return line, a first grounding end, a second grounding end and a feeding coaxial line, wherein the microstrip feeder line, the antenna oscillator arm, the ground return line and the first grounding end are arranged on a first surface of the substrate;
the feed end of the feed coaxial line is connected with the first end of the microstrip feed line, and the grounding end of the feed coaxial line is connected with the first grounding end;
the first end of the ground return wire is connected with the first end of the antenna oscillator arm, and the second end of the ground return wire is connected with the first grounding end;
the first grounding end is connected with the second grounding end;
and the second end of the microstrip feeder line is connected with the antenna oscillator arm.
2. The antenna of claim 1,
the ground return line is parallel to the microstrip feeder line;
the antenna oscillator arm is perpendicular to the ground return line and the microstrip feeder line respectively; or,
the ground return wire and the microstrip feeder line form a U shape, and the antenna oscillator arm is perpendicular to the microstrip feeder line.
3. The antenna of claim 2,
the antenna oscillator arm is arranged on the edge of the substrate along the length direction of the substrate.
4. The antenna according to any of claims 1-3,
the first ground terminal is disposed on the first surface of the substrate along a length direction of the substrate.
5. The antenna of claim 4,
the second grounding terminal is arranged in the middle of the second surface of the substrate along the length direction of the substrate, and the projection area of the second grounding terminal on the substrate is positioned in the projection area of the first grounding terminal on the substrate.
6. The antenna according to any of claims 1-3,
second earthing terminal is followed the length direction of base plate sets up on the base plate, just second earthing terminal is in projection area on the base plate, be greater than or equal to motor line and lamp plate line in unmanned aerial vehicle's the horn are in projection area on the base plate.
7. The antenna of any one of claims 1-3, further comprising at least one via disposed on the substrate;
the first ground terminal and the second ground terminal are connected through the at least one through hole.
8. The antenna of claim 1 or 2,
the substrate is made of FR-4 grade materials.
9. The antenna of claim 1 or 2,
the microstrip antenna is a 900MHz microstrip antenna.
10. A drone comprising a horn, characterized in that it further comprises a drone internal antenna according to any one of claims 1 to 9, wherein said drone internal antenna is arranged within said horn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820261697.1U CN207925670U (en) | 2018-02-14 | 2018-02-14 | Unmanned plane built-in aerial and unmanned plane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820261697.1U CN207925670U (en) | 2018-02-14 | 2018-02-14 | Unmanned plane built-in aerial and unmanned plane |
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| CN207925670U true CN207925670U (en) | 2018-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598688A (en) * | 2018-02-14 | 2018-09-28 | 深圳市道通智能航空技术有限公司 | Unmanned plane built-in aerial and unmanned plane |
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2018
- 2018-02-14 CN CN201820261697.1U patent/CN207925670U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598688A (en) * | 2018-02-14 | 2018-09-28 | 深圳市道通智能航空技术有限公司 | Unmanned plane built-in aerial and unmanned plane |
| WO2019157830A1 (en) * | 2018-02-14 | 2019-08-22 | 深圳市道通智能航空技术有限公司 | Built-in antenna of unmanned aerial vehicle, and unmanned aerial vehicle |
| CN108598688B (en) * | 2018-02-14 | 2020-07-24 | 深圳市道通智能航空技术有限公司 | Unmanned aerial vehicle built-in antenna and unmanned aerial vehicle |
| US11223110B2 (en) | 2018-02-14 | 2022-01-11 | Autel Robotics Co., Ltd. | Unmanned aerial vehicle built-in antenna and unmanned aerial vehicle |
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