Mining directional planar antenna

Abstract

The utility model discloses a mining directional planar antenna which comprises a reflecting plate, a radiating unit, a filtering characteristic centimeter network shaping plate, a plurality of radio frequency coaxial lines and radio frequency connectors matched with the radio frequency coaxial lines. The radiation unit, the filtering characteristic centimeter network shaping plate and the radio frequency coaxial line are all arranged on a first installation surface of the reflection plate, and the radiation unit comprises a plurality of radiation subunits electrically connected with the filtering characteristic centimeter network shaping plate. The filter characteristic centimeter network shaping plate is also coupled with one end of the radio frequency coaxial line, the other end of the radio frequency coaxial line is in butt joint with the radio frequency connector, and the radiation subunit comprises one of a double-frequency radiation subunit, a 4G radiation subunit, a UWB radiation subunit, a 3.5 G radiation subunit and a 4.9 G radiation subunit. And the radio frequency connector is set as an external port. According to the invention, the problems of low gain and large size of the mining directional planar antenna are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of antennas, in particular to a directional flat antenna for mining. Background Art

[0002] In the existing technology, antennas are widely used in the field of drone gimbal terminal signal transmission. At present, existing mining directional flat-panel antenna products often have problems such as low antenna gain, large antenna size, low antenna integration, a large number of antennas to be installed, and cumbersome actual installation and construction.

[0003] There is no effective solution to the problems of low gain and large antenna size of directional flat antennas for mining in the existing related technologies. Utility Model Content

[0004] In view of this, it is necessary to provide a directional flat panel antenna for mining, so as to at least solve the problems of low gain and large antenna size of the directional flat panel antenna for mining in the related art.

[0005] A technical solution adopted by the present invention is as follows: The present invention provides a directional flat-panel antenna for mining, comprising a reflector, a radiation unit, a filtering characteristic centimeter network shaping plate, a plurality of RF coaxial lines, and a RF connector compatible with the RF coaxial lines. The radiation unit, the filtering characteristic centimeter network shaping plate and the RF coaxial line are all installed on the first mounting surface of the reflector. The radiation unit comprises a plurality of radiation sub-units, which are respectively electrically connected to the filtering characteristic centimeter network shaping plate. The filtering characteristic centimeter network shaping plate is also coupled to one end of the RF coaxial line, and the other end of the RF coaxial line is connected to the RF connector. The radiation sub-unit comprises one of the following: a dual-frequency radiation sub-unit, a 4G radiation sub-unit, a UWB radiation sub-unit, a 3.5G radiation sub-unit and a 4.9G radiation sub-unit, and the RF connector is set as an external port.

[0006] In some embodiments, the dual-frequency radiating subunit includes a dual-frequency vibrator, and the radio frequency bands of the dual-frequency vibrator are 2.4G and 5.8G respectively.

[0007] In some embodiments, the 4G radiation subunit includes two 4G vibrators, the UWB radiation subunit includes two UWB vibrators, the 3.5G radiation subunit includes two 3.5G vibrators, and / or the 4.9G radiation subunit includes three 4.9G vibrators.

[0008] In some embodiments, one of the dual-frequency vibrators is installed at the upper left corner of the reflector, two of the 4G vibrators are installed side by side at the upper right corner of the reflector, two of the UWB vibrators are installed side by side at the lower left corner of the reflector, two of the 3.5G vibrators are installed side by side at the lower left corner of the reflector and to the right of the two UWB vibrators, and three of the 4.9G vibrators are installed side by side at the lower right corner of the reflector.

[0009] In some embodiments, the dual-frequency vibrator, the 4G vibrator, the UWB vibrator, the 3.5G vibrator and the 4.9G vibrator all include a balun and a high-frequency board, the balun is mounted on the reflective plate, and the high-frequency board is fixedly connected to the reflective plate through the balun.

[0010] In some embodiments, a mounting clamp and a support rod are further included, the reflective plate is arranged on the mounting clamp, and the second mounting surface of the reflective plate is connected to one side of the mounting clamp, and the other side of the mounting clamp is movably mounted on the support rod.

[0011] In some embodiments, the mounting clamp includes an L-shaped plate and a U-shaped screw rod, a first fixing hole and an elongated circular arc hole are provided on one side of the L-shaped plate, one end of the U-shaped screw rod is fixed at the first fixing hole by a nut, and the other end of the U-shaped screw rod is adjustably provided at the elongated circular arc hole by a nut; wherein, the height and angle of the L-shaped plate on the support rod are adjusted by the U-shaped screw rod.

[0012] In some embodiments, a second fixing hole is provided on the other side of the L-shaped plate, and the L-shaped plate is connected and fixed to the reflective plate through the second fixing hole and bolts.

[0013] In some embodiments, an outer cover is further included, which covers the first mounting surface of the reflector, and a protection area is formed between the outer cover and the reflector. The radiation unit and the filtering characteristic centimeter network shaping plate are located in the protection area, and the RF coaxial line is installed at the outer cover.

[0014] In some embodiments, the filtering characteristic centimeter network shaping board is connected to nine RF coaxial lines, and the nine RF coaxial lines are installed side by side on the outer cover.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the embodiment of the present application provides a directional flat-panel antenna for mining, and the radiating unit adopts 2.4G / 5.8G dual-frequency radiating subunits, 4G radiating subunits, UWB radiating subunits, 3.5G radiating subunits and 4.9G radiating subunits of different RF frequency bands, thereby realizing the multi-frequency function, and the radiating unit adopts high-frequency board material and metal die-casting one-piece molded vibrator and the feeding network adopts an open-circuit design, so that the antenna transmission efficiency is higher, the array gain is high and directivity, and there are fewer parasitic multi-order mixed signals. The antenna meets the safety standards of coal mines. At the same time, RF coaxial lines and RF connectors are used as outward ports to realize the multi-port function, and the outer cover adopts anti-static / anti-flame retardant / anti-UV design to prevent static electricity accumulation, protect electronic equipment, improve safety, have higher performance and higher commercial value, and are highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a partial structural diagram of an embodiment of the present application;

[0017] Figure 2 This is a schematic structural diagram of the front side of the reflector in an embodiment of the present application;

[0018] Figure 3 This is a schematic structural diagram of the back side of the reflector in an embodiment of the present application;

[0019] Figure 4 Schematic diagram of the overall structure of an embodiment of the present application.

[0020] Reference numerals:

[0021] 100, mounting clip; 11, L-shaped plate; 111, first fixing hole; 112, long arc hole; 113, second fixing hole; 12, U-shaped screw;

[0022] 200, reflector;

[0023] 300, radiating unit; 31, radiating subunit; 311, 2.4G / 5.8G dual-band radiating subunit; 312, 4G radiating subunit; 313, UWB radiating subunit; 314, 3.5G radiating subunit; 315, 4.9G radiating subunit;

[0024] 400, filtering characteristics centimeter network shaping board;

[0025] 500, RF coaxial line;

[0026] 600, RF connector;

[0027] 700, support rod;

[0028] 800. Outer cover. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] It should be noted that when a component is referred to as being "mounted on" another component, it may be mounted directly on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component. When a component is considered to be "fixed to" another component, it may be directly fixed to the other component or there may be a central component.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.

[0032] See Figures 1 to 4 The embodiment of the present application provides a directional flat-panel antenna for mining, comprising a reflector 200, a radiation unit 300, a filtering characteristic centimeter network shaping plate 400, a plurality of RF coaxial lines 500, and a RF connector 600 adapted to the RF coaxial lines 500. The radiation unit 300, the filtering characteristic centimeter network shaping plate 400 and the RF coaxial lines 500 are all mounted on the first mounting surface of the reflector 200. The radiation unit 300 includes a plurality of radiation subunits 31, and the plurality of radiation subunits 31 are respectively It is electrically connected to the filtering characteristic centimeter network shaping board 400, and the filtering characteristic centimeter network shaping board 400 is also coupled and connected to one end of the RF coaxial line 500, and the other end of the RF coaxial line 500 is connected to the RF connector 600, wherein the radiation sub-unit 31 includes one of the following: dual-frequency radiation sub-unit 311, 4G radiation sub-unit 312, UWB radiation sub-unit 313, 3.5G radiation sub-unit 314 and 4.9G radiation sub-unit 315, and the RF connector 600 is set as an external port.

[0033] It can be understood that with such a setting, the radiation unit 300 adopts a radiation sub-unit 31 of different RF frequency bands, and the radiation sub-unit 31 includes a dual-frequency radiation sub-unit 311, a 4G radiation sub-unit 312, a UWB radiation sub-unit 313, a 3.5G radiation sub-unit 314 and a 4.9G radiation sub-unit 315, thereby realizing the multi-frequency function of the antenna, and the radiation unit 300 adopts a high-frequency board material and a metal die-casting one-piece molded vibrator to make the antenna transmission efficiency higher, the feeding network adopts an open-circuit design, and the antenna meets the requirements of coal mine safety standards. At the same time, multiple RF coaxial lines 500 and RF connectors 600 are used as outward ports to realize the multi-port function, and the outer cover 800 adopts an anti-static / anti-flame retardant / anti-UV design to prevent static electricity accumulation, protect electronic equipment, improve safety, and have higher performance and higher commercial value.

[0034] In order to realize the functions of the antenna in different radio frequency bands, in some optional implementations, the dual-frequency radiating subunit (311) includes a dual-frequency vibrator, and the radio frequency bands of the dual-frequency vibrator are 2.4G and 5.8G respectively.

[0035] In order to further better realize the functions of different RF frequency bands of the antenna, in some optional embodiments, the 4G radiating subunit 312 includes two 4G oscillators, the UWB radiating subunit 313 includes two UWB oscillators, the 3.5G radiating subunit 314 includes two 3.5G oscillators, and / or the 4.9G radiating subunit 315 includes three 4.9G oscillators, thereby receiving and sending functions of different RF frequency bands.

[0036] In order to achieve a higher degree of integration in the present application, in some optional embodiments, a dual-frequency vibrator is installed at the upper left corner of the reflector 200, two 4G vibrators are installed in parallel at the upper right corner of the reflector 200, two UWB vibrators are installed in parallel at the lower left corner of the reflector 200, two 3.5G vibrators are installed in parallel at the lower left corner of the reflector 200 and are located to the right of the two UWB vibrators, and three 4.9G vibrators are installed side by side at the lower right corner of the reflector 200, arranged in an orderly manner to minimize the space occupied by the antenna. It has the advantages of high antenna integration, high array gain and directivity, and few parasitic multi-order mixed signals.

[0037] In order to improve the antenna efficiency, in some optional embodiments, the dual-band vibrator, 4G vibrator, UWB vibrator, 3.5G vibrator and 4.9G vibrator all include a balun and a high-frequency board. The balun is installed on the reflector 200, and the high-frequency board is fixedly connected to the reflector 200 through the balun. The vibrator formed by die-casting the high-frequency board and the metal balun has a higher antenna transmission efficiency.

[0038] In order to better fix the reflector 200 and the radiation unit 300 on the external device, some optional embodiments further include a mounting clamp 100 and a support rod 700. The reflector 200 is arranged on the mounting clamp 100, and the second mounting surface of the reflector 200 is connected to one side of the mounting clamp 100, and the other side of the mounting clamp 100 is movably mounted on the support rod 700.

[0039] In order to achieve the horizontal angle adjustment and vertical height adjustment functions of the radiation unit 300, in some optional embodiments, the mounting clamp 100 includes an L-shaped plate 11 and a U-shaped screw rod 12, and one side of the L-shaped plate 11 is provided with a first fixing hole 111 and a long arc hole 112, one end of the U-shaped screw rod 12 is fixed at the first fixing hole 111 through a nut, and the other end of the U-shaped screw rod 12 is adjustably provided at the long arc hole 112 through a nut; wherein, the height and angle of the L-shaped plate 11 on the support rod 700 are adjusted by the U-shaped screw rod 12.

[0040] In some optional embodiments, a second fixing hole 113 is provided on the other side of the L-shaped plate 11 , and the L-shaped plate 11 is connected and fixed to the reflective plate 200 via bolts through the second fixing hole 113 .

[0041] In order to better protect the safety of circuits or components, some optional embodiments further include an outer cover 800, which covers the front of the reflector 200. A protection area is formed between the outer cover 800 and the reflector 200. The radiation unit 300 and the filtering characteristic centimeter network shaping plate 400 are located in the protection area. The RF coaxial line 500 is installed at the outer cover 800. The outer cover 800 adopts an anti-static / anti-flame retardant / anti-UV design to prevent static electricity accumulation, protect electronic equipment, and improve safety.

[0042] In order to realize the multi-port transmission function of the antenna, in some optional embodiments, the plurality of RF coaxial lines 500 are nine RF coaxial lines 500, and the nine RF coaxial lines 500 are installed side by side on the outer cover 800, and nine ports are used as external ports to improve the applicability of this application.

[0043] Those skilled in the art should recognize that the above embodiments are merely intended to illustrate the present invention and are not intended to limit the present invention. As long as they are within the spirit of the present invention, appropriate changes and modifications to the above embodiments fall within the scope of protection claimed by the present invention.

Claims

1. A directional flat antenna for mining, characterized in that: The invention comprises a reflector (200), a radiation unit (300), a filtering characteristic centimeter network shaping plate (400), a plurality of radio frequency coaxial lines (500), and a radio frequency connector (600) adapted to the radio frequency coaxial lines (500), wherein the radiation unit (300), the filtering characteristic centimeter network shaping plate (400) and the radio frequency coaxial lines (500) are all mounted on a first mounting surface of the reflector (200), and the radiation unit (300) comprises a plurality of radiation subunits (31), and the plurality of radiation subunits (31) are respectively connected to the filtering characteristic centimeter network shaping plate (400). The network shaping board (400) is electrically connected, and the filtering characteristic network shaping board (400) is also coupled and connected to one end of the radio frequency coaxial line (500), and the other end of the radio frequency coaxial line (500) is connected to the radio frequency connector (600), wherein the radiation subunit (31) includes one of the following: a dual-frequency radiation subunit (311), a 4G radiation subunit (312), a UWB radiation subunit (313), a 3.5G radiation subunit (314) and a 4.9G radiation subunit (315), and the radio frequency connector (600) is set as an external port.

2. The directional flat antenna for mining according to claim 1, characterized in that: The dual-frequency radiation subunit (311) comprises a dual-frequency vibrator, and the radio frequency bands of the dual-frequency vibrator are 2.4G and 5.8G respectively.

3. The directional flat antenna for mining according to claim 2, characterized in that: The 4G radiation subunit (312) includes two 4G vibrators, the UWB radiation subunit (313) includes two UWB vibrators, the 3.5G radiation subunit (314) includes two 3.5G vibrators, and / or the 4.9G radiation subunit (315) includes three 4.9G vibrators.

4. The directional flat antenna for mining according to claim 3, characterized in that: One of the dual-frequency vibrators is installed at the upper left corner of the reflecting plate (200), two of the 4G vibrators are installed in parallel at the upper right corner of the reflecting plate (200), two of the UWB vibrators are installed in parallel at the lower left corner of the reflecting plate (200), two of the 3.5G vibrators are installed in parallel at the lower left corner of the reflecting plate (200) and are located to the right of the two UWB vibrators, and three of the 4.9G vibrators are installed side by side at the lower right corner of the reflecting plate (200).

5. The directional flat antenna for mining according to claim 4, characterized in that: The dual-frequency vibrator, the 4G vibrator, the UWB vibrator, the 3.5G vibrator, and the 4.9G vibrator all include a balun and a high-frequency board; the balun is mounted on the reflection plate (200); and the high-frequency board is fixedly connected to the reflection plate (200) via the balun.

6. The directional flat antenna for mining according to claim 1, characterized in that: It also includes a mounting clamp (100) and a support rod (700), wherein the reflective plate (200) is arranged on the mounting clamp (100), and the second mounting surface of the reflective plate (200) is connected to one side of the mounting clamp (100), and the other side of the mounting clamp (100) is movably sleeved on the support rod (700).

7. The directional flat antenna for mining according to claim 6, characterized in that: The mounting clamp (100) comprises an L-shaped plate (11) and a U-shaped screw rod (12), wherein a first fixing hole (111) and an elongated circular arc hole (112) are provided on one side of the L-shaped plate (11), one end of the U-shaped screw rod (12) is fixed to the first fixing hole (111) via a nut, and the other end of the U-shaped screw rod (12) is adjustable at the elongated circular arc hole (112) via a nut; wherein the height and angle of the L-shaped plate (11) on the support rod (700) are adjusted via the U-shaped screw rod (12).

8. The directional flat antenna for mining according to claim 7, characterized in that: A second fixing hole (113) is provided on the other side of the L-shaped plate (11), and the L-shaped plate (11) is connected and fixed to the reflecting plate (200) via the second fixing hole (113) and bolts.

9. The directional flat antenna for mining according to claim 1, characterized in that: The invention also includes an outer cover (800), wherein the outer cover (800) covers the first mounting surface of the reflector (200), a protection area is formed between the outer cover (800) and the reflector (200), the radiation unit (300) and the filtering characteristic centimeter network shaping plate (400) are located in the protection area, and the radio frequency coaxial line (500) is installed at the outer cover (800).

10. The directional flat antenna for mining according to claim 9, characterized in that: The filtering characteristic centimeter network shaping plate (400) is connected to nine radio frequency coaxial lines (500), and the nine radio frequency coaxial lines (500) are installed side by side on the outer cover (800).

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