CN217956131U

CN217956131U - Multi-band directional antenna

Info

Publication number: CN217956131U
Application number: CN202222473145.6U
Authority: CN
Inventors: 杨雨泉; 熊德桥
Original assignee: Foshan Yiming Communication Equipment Co ltd
Current assignee: Foshan Yiming Communication Equipment Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2022-12-02
Anticipated expiration: 2032-09-19

Abstract

A multi-band directional antenna comprises a reflecting plate, a combiner, a first oscillator, a second oscillator, a third oscillator, a fourth oscillator, a first microstrip network, a second microstrip network and a feeder line; the combiner, the first oscillator, the second oscillator, the third oscillator and the fourth oscillator are respectively arranged on the reflecting plate, and the combiner is respectively connected with the third oscillator and the fourth oscillator through feeder lines; the first oscillator is provided with a first microstrip network, the second oscillator is provided with a second microstrip network, and the combiner is respectively connected with the first microstrip network and the second microstrip network through feeder lines. The present invention provides a multi-band directional antenna according to the above content, which solves the problem that the directional antenna in the prior art can only generate one frequency band.

Description

Multi-band directional antenna

Technical Field

The utility model relates to a directional antenna technical field especially relates to a directional antenna of multifrequency section.

Background

A directional antenna is an antenna that emits and receives electromagnetic waves in one or more specific directions with a high intensity, and emits and receives electromagnetic waves in other directions with a null or minimum intensity. The directional transmitting antenna is adopted to increase the effective utilization rate of the radiation power and increase the confidentiality; the main purpose of using directional receiving antenna is to enhance signal strength and increase anti-interference ability. However, the directional antenna in the prior art can only generate one frequency band, and cannot meet the requirements of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a directional aerial of multifrequency section has solved the problem that directional aerial among the prior art can only produce a frequency channel.

To achieve the purpose, the utility model adopts the following technical proposal:

a multi-band directional antenna comprises a reflecting plate, a combiner, a first oscillator, a second oscillator, a third oscillator, a fourth oscillator, a first microstrip network, a second microstrip network and a feeder line;

the combiner, the first oscillator, the second oscillator, the third oscillator and the fourth oscillator are respectively mounted on the reflecting plate, and the combiner is respectively connected with the third oscillator and the fourth oscillator through the feeder lines;

the first oscillator is provided with the first microstrip network, the second oscillator is provided with a second microstrip network, and the combiner is respectively connected with the first microstrip network and the second microstrip network through the feeder line.

Further, the first microstrip network comprises a first oscillator unit and a first connection network;

the number of the first vibrator units is two, the two ends of the first connecting network are respectively connected to the first vibrator units, and a first welding hole is formed in the middle of the first connecting network.

Specifically, the second microstrip network includes a second oscillator unit, a second connection network, a third connection network, and a fourth connection network;

the number of the second oscillator units is eight, the two ends of the second connection network are respectively connected to the middle of the third connection network, a second welding hole is formed in the middle of the second connection network, the two ends of the third connection network are respectively connected to the middle of the fourth connection network, and the two ends of the fourth connection network are respectively connected to the second oscillator units.

Preferably, the fourth vibrator includes a first radiation plate, a second radiation plate, a third radiation plate, and a mounting plate;

the second radiation plate is arranged below the front side of the first radiation plate, the right side of the first radiation plate is connected with the third radiation plate, the mounting plate is arranged below the right side of the third radiation plate, and a hollow area is formed in the middle of the first radiation plate in a hollow mode;

the front side of the third radiation plate protrudes from the front side of the second radiation plate, and the rear side of the third radiation plate protrudes from the rear side of the first radiation plate.

In some embodiments, the reflector further comprises a locking screw, the reflector is provided with a mounting column, the mounting column is provided with a mounting hole, and the locking screw is mounted in the mounting hole.

Furthermore, the reflecting plate is provided with a supporting column, a threaded column protrudes from the top of the supporting column, and the locking nut is installed on the threaded column.

Compared with the prior art, one of the technical schemes has the following beneficial effects:

according to the directional antenna, various frequencies are generated through various oscillators, so that various frequency bands are generated by the directional antenna, and the using performance of the directional antenna is improved.

Drawings

Fig. 1 is a schematic structural diagram of a directional antenna according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first oscillator according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second oscillator according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a fourth oscillator according to an embodiment of the present invention;

FIG. 5 is a schematic view of a portion of FIG. 4 at a magnified view;

wherein: the resonator comprises a reflecting plate 1, a mounting column 11, a mounting hole 111, a support column 12, a threaded column 13, a combiner 2, a first oscillator 3, a second oscillator 4, a third oscillator 5, a fourth oscillator 6, a first radiating plate 61, a hollow-out area 611, a second radiating plate 62, a third radiating plate 63, a mounting plate 64, a first microstrip network 7, a first oscillator unit 71, a first connecting network 72, a first welding hole 721, a second microstrip network 8, a second oscillator unit 81, a second connecting network 82, a third connecting network 83, a fourth connecting network 84, a locking screw 91 and a locking nut 92.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inner", "outer end", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In an embodiment of the present invention, as shown in fig. 1-5, a multi-band directional antenna includes a reflection plate 1, a combiner 2, a first oscillator 3, a second oscillator 4, a third oscillator 5, a fourth oscillator 6, a first microstrip network 7, a second microstrip network 8, and a feeder line; the combiner 2, the first oscillator 3, the second oscillator 4, the third oscillator 5 and the fourth oscillator 6 are respectively mounted on the reflection plate 1, and the combiner 2 is respectively connected with the third oscillator 5 and the fourth oscillator 6 through the feeder lines; the first oscillator 2 is provided with the first microstrip network 7, the second oscillator 4 is provided with the second microstrip network 8, and the combiner 2 is connected with the first microstrip network 7 and the second microstrip network 8 through the feeder lines respectively. In this embodiment, the feeder is prior art, directional antenna is applied to the anti-reconnaissance field of unmanned aerial vehicle, the quantity of first oscillator 3 is four respectively, every first oscillator 3 is equipped with respectively first microstrip network, the quantity of feeder is seven respectively, first oscillator 3 can produce 2.4 GHz's frequency, second oscillator 4 can produce 5.8 GHz's frequency, third oscillator 5 can produce 400 MHz's frequency, fourth oscillator 6 can produce 900 MHz's frequency, and this application produces multiple frequency through multiple oscillator, makes directional antenna produces multiple frequency channel, thereby improves directional antenna performance's effect.

As shown in fig. 2, the first microstrip network 7 includes a first oscillator unit 71 and a first connection network 72; the number of the first vibrator units 71 is two, two ends of the first connection network 72 are respectively connected to the first vibrator units 71, and a first welding hole 721 is formed in the middle of the first connection network 72. In this embodiment, the first oscillator unit 71 and the first connection network 72 are respectively disposed on the front surface of the first oscillator 3, one end of the feed line is connected to the combiner 2, the other end of the feed line passes through the first oscillator 3, and the other end of the feed line is connected to the first welding hole 721, specifically, the other end of the feed line is welded to the first welding hole 721, and the first welding hole 721 is located in the middle of the first connection network 72, that is, the distance from the first welding hole 721 to two first oscillator units 71 is the same, so as to ensure the working quality of the first microstrip network 7.

As shown in fig. 3, the second microstrip network 8 includes a second element unit 81, a second connection network 82, a third connection network 83, and a fourth connection network 84; the number of the second vibrator units 81 is eight, the two ends of the second connection network 82 are respectively connected to the middle of the third connection network 83, a second welding hole is formed in the middle of the second connection network 82, the two ends of the third connection network 83 are respectively connected to the middle of the fourth connection network 84, and the two ends of the fourth connection network 84 are respectively connected to the second vibrator units 81. In this embodiment, the number of the third connection networks 83 is two, the number of the fourth connection networks 84 is four, the second oscillator unit 81, the second connection network 82, the third connection network 83 and the fourth connection network 84 are respectively disposed on the front surface of the second oscillator 4, one end of the feed line is connected to the combiner 2, the other end of the feed line passes through the second oscillator 4, and the other end of the feed line is connected to the second welding hole, specifically, the other end of the feed line is welded to the second welding hole, and the second welding hole is located in the middle of the second connection network 82, that is, the second welding hole is located at the same distance from each second oscillator unit 81, so as to ensure the working quality of the second microstrip network 8.

As shown in fig. 4 to 5, the fourth element 6 includes a first radiation plate 61, a second radiation plate 62, a third radiation plate 63, and a mounting plate 64; the second radiation plate 62 is installed below the front side of the first radiation plate 61, the right side of the first radiation plate 61 is connected to the third radiation plate 63, the installation plate 64 is installed below the right side of the third radiation plate 63, and a hollow area 611 is formed in the middle of the first radiation plate 61 in a hollow mode; the front side of the third radiation plate 63 protrudes from the front side of the second radiation plate 62, and the rear side of the third radiation plate 63 protrudes from the rear side of the first radiation plate 61. In this embodiment, the bottom of the second radiation plate 62 is not in contact with the reflection plate 1, and the fourth oscillator 6 can generate 900MHz frequency by the above structure, so as to meet people's needs.

As shown in fig. 4-5, the reflecting plate further comprises a locking screw 91, the reflecting plate 1 is provided with a mounting column 11, the mounting column 11 is provided with a mounting hole 111, and the locking screw 91 is mounted in the mounting hole 111. In this embodiment, when the first vibrator 3 is mounted on the reflection plate 1, specifically, the first vibrator 3 is mounted on the top surface of the mounting post 11, and then the first vibrator 3 is locked in the mounting hole 111 through the locking screw 91, so that the mounting is convenient, fast, firm and reliable.

As shown in fig. 4-5, the reflecting plate further comprises a locking nut 92, the reflecting plate 1 is provided with a supporting column 12, a threaded column 13 protrudes from the top of the supporting column 12, and the locking nut 92 is mounted on the threaded column 13. In this embodiment, when the second vibrator 4 is mounted on the reflection plate 1, specifically, the second vibrator 4 is mounted on the supporting pillar 13, so that the bottom surface of the second vibrator 4 is attached to the top surface of the mounting pillar 13, the threaded pillar 13 penetrates through the second vibrator 4, the threaded pillar 13 protrudes from the top surface of the second vibrator 4, and then the lock nut 92 is mounted on the threaded pillar 13, so that the mounting is convenient, fast, firm and reliable.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A multi-band directional antenna, comprising: the circuit comprises a reflecting plate, a combiner, a first oscillator, a second oscillator, a third oscillator, a fourth oscillator, a first microstrip network, a second microstrip network and a feeder line;

2. The multiple band-type directional antenna of claim 1, wherein: the first microstrip network comprises a first oscillator unit and a first connecting network;

3. The multiple band-type directional antenna of claim 1, wherein: the second microstrip network comprises a second oscillator unit, a second connection network, a third connection network and a fourth connection network;

4. The multiple band-type directional antenna of claim 1, wherein: the fourth oscillator comprises a first radiation plate, a second radiation plate, a third radiation plate and a mounting plate;

5. Multiband directional antenna according to claim 1, characterized in that: the reflecting plate is provided with a mounting column, the mounting column is provided with a mounting hole, and the locking screw is mounted in the mounting hole.

6. The multiple band-type directional antenna of claim 1, wherein: the reflecting plate is provided with a supporting column, a threaded column protrudes from the top of the supporting column, and the locking nut is installed on the threaded column.