Mining directional antenna

Abstract

The utility model discloses a mining directional antenna, which comprises a reflecting plate, a radiating unit, a forming power division network plate, a feed network cable and a radio frequency connector, the radiating unit and the forming power division network plate are both mounted on a first mounting surface of the reflecting plate, and the radio frequency connector is mounted on a second mounting surface of the reflecting plate. The radiation unit comprises a plurality of radiation subunits, the feed network cable comprises a first feed network cable and a second feed network cable, the plurality of radiation subunits are in coupling connection with the forming power division network board through the first feed network cable, and the forming power division network board is in coupling connection with the radio frequency connector through the second feed network cable; wherein the radio frequency band of each radiation subunit is from 1710 MHz to 2700 MHz, and the radio frequency connector is set as an external port. The antenna is high in transmission efficiency, stable in signal receiving and transmitting, high in sensitivity, low in antenna grating lobe and high in multipath interference resistance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of antenna, especially relates to a mine directional antenna. BACKGROUND

[0002] In the prior art, the antenna is widely used in the unmanned aerial vehicle holder end connection signaling field, at present, the existing mine directional flat panel antenna product still has the problems of low antenna sensitivity, low antenna efficiency, unstable antenna receiving and sending signals in actual use process and connection timeout.

[0003] For the problems of low sensitivity and low efficiency of the mine directional flat panel antenna in the prior art, unstable receiving and sending signals in actual use process and connection timeout, no effective solution has been proposed. UTILITY MODEL CONTENT

[0004] Therefore, it is necessary to provide a mine directional antenna to at least solve the problems of low sensitivity and low efficiency of the mine directional flat panel antenna in the prior art, unstable receiving and sending signals in actual use process and connection timeout.

[0005] The utility model adopts a technical scheme as follows: the utility model provides a mine directional antenna, including reflector plate, radiation unit, conformal power division network board, feed network cable and radio frequency connector, the radiation unit with the conformal power division network board all install on the first mounting surface of the reflector plate, the radio frequency connector installs on the second mounting surface of the reflector plate, the radiation unit includes multiple radiation subunits, the feed network cable includes first feed network cable and second feed network cable, multiple radiation subunits all are coupled with the conformal power division network board through the first feed network cable, the conformal power division network board is coupled with the radio frequency connector through the second feed network cable, wherein the radio frequency band of each radiation subunit is: 1710-2700MHz, the radio frequency connector is set to the external port.

[0006] In some embodiments, the multiple radiation subunits are four radiation subunits, and the four radiation subunits are coupled with the conformal power division network board through the first feed network cable.

[0007] In some embodiments, the four radiation subunits include a first radiation subunit, a second radiation subunit, a third radiation subunit, and a fourth radiation subunit, the first and second radiation subunits are arranged opposite to each other, the third and fourth radiation subunits are arranged opposite to each other, the first and third radiation subunits are arranged opposite to each other, the second and fourth radiation subunits are arranged opposite to each other, and the wave shaping power division network board is located in the middle of the first, second, third, and fourth radiation subunits.

[0008] In some embodiments, the first and second radiation subunits are coupled to the upper end of the wave shaping power division network board through the first feeding network cable, and the third and fourth radiation subunits are coupled to the lower end of the wave shaping power division network board through the first feeding network cable.

[0009] In some embodiments, the first, second, third, and fourth radiation subunits each include a glue column and a high-frequency board, the bottom end of the glue column is arranged on the reflecting plate, and the high-frequency board is arranged at the top end of the glue column.

[0010] In some embodiments, the reflecting plate is arranged on the mounting clamp, the second mounting surface of the reflecting plate is connected to one side of the mounting clamp, and the other side of the mounting clamp is movably sleeved on the supporting rod.

[0011] In some embodiments, the mounting clamp includes an L-shaped plate and a U-shaped screw rod, one side of the L-shaped plate is provided with a first fixing hole and a long arc-shaped hole, one end of the U-shaped screw rod is fixed to the first fixing hole through a nut, and the other end of the U-shaped screw rod is adjustably arranged in the long arc-shaped hole through a nut; wherein the height of the L-shaped plate on the supporting rod is adjusted through the U-shaped screw rod.

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

[0013] In some embodiments, the outer cover is further included, the outer cover covers the first mounting surface of the reflecting plate, a protection area is formed between the outer cover and the reflecting plate, and the radiation subunits and the wave shaping power division network board are located in the protection area.

[0014] Compared with the prior art, the beneficial effects of the utility model lie in: the application provides a mine directional antenna, a plurality of radiation subunits are adopted for the radiation unit to realize the function of high-frequency signal transmission and reception, the radiation subunit, the shaped power distribution network board and the feeding network adopt open circuit design for transmission, the antenna transmission efficiency is higher, the surface array gain is high, the directivity is high, the parasitic multi-order mixed signals are few, the antenna sensitivity is high, the antenna grating lobes are low, the multi-path interference resistance is strong, the antenna is suitable for stable work in the extremely complex environment in the coal mine, the antenna meets the coal mine safety standard, the outer cover adopts anti-static / anti-flame / anti-UV design, prevents static accumulation, protects electronic equipment, improves safety, has higher performance and higher commercial value, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the structural schematic view of the first mounting surface of the application embodiment;

[0016] Figure 2 is the structural schematic view of the radiation unit, the shaped power distribution network board and the radio frequency connector of the application embodiment;

[0017] Figure 3 is the structural schematic view of the radiation unit of the application embodiment;

[0018] Figure 4 is the structural schematic view of the application embodiment after removing the support rod;

[0019] Figure 5 is the overall structural schematic view of the application embodiment.

[0020] REFERENCE SIGNS:

[0021] 100, reflector plate;11, first mounting surface;12, second mounting surface;

[0022] 200, radiation unit;21, first radiation subunit;211, glue column;212, high-frequency plate;22, second radiation subunit;23, third radiation subunit;24, fourth radiation subunit;

[0023] 300, shaped power distribution network board;

[0024] 400, feeding network cable;41, first feeding network cable;42, second feeding network cable;

[0025] 500, radio frequency connector;

[0026] 600, mounting clamp;61, L-shaped plate;611, first fixing hole;612, long strip arc hole;613, second fixing hole;62, U-shaped screw;

[0027] 700, support rod;

[0028] 800, housing. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

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

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0032] Referring to Figures 1 to 5 The embodiment of the present application provides a mine directional antenna, which comprises a reflecting plate 100, a radiation unit 200, a shaped power division network plate 300, a feed network cable 400 and a radio frequency connector 500. The radiation unit 200 and the shaped power division network plate 300 are both mounted on a first mounting surface 11 of the reflecting plate 100. The radio frequency connector 500 is mounted on a second mounting surface 12 of the reflecting plate 100. The radiation unit 200 comprises a plurality of radiation sub-units. The feed network cable 400 comprises a first feed network cable 41 and a second feed network cable 42. The plurality of radiation sub-units are coupled and connected to the shaped power division network plate 300 through the first feed network cable 41. The shaped power division network plate 300 is coupled and connected to the radio frequency connector 500 through the second feed network cable 42. The radio frequency range of each radiation sub-unit is 1710-2700 MHz. The radio frequency connector 500 is provided as an external port.

[0033] It should be noted that the radiation unit 200 is designed in a structure of multiple radiation sub-units to realize the function of high-frequency signal receiving and transmitting; the radiation sub-unit 200, the shaped power division network board 300 and the feeding network cable 400 are designed in an open circuit to realize transmission, so that the antenna has higher transmission efficiency, fewer parasitic multi-order mixed signals, higher antenna sensitivity, lower antenna grating lobes, stronger anti-multipath interference, is suitable for stable work in the extremely complex environment in the coal mine, and meets the requirements of the coal mine safety standard.

[0034] In order to realize the receiving and transmitting function of the high-frequency band of the antenna, in some optional embodiments, the multiple radiation sub-units are four radiation sub-units, and the four radiation sub-units are coupled and connected with the shaped power division network board 300 through the first feeding network cable 41.

[0035] In some optional embodiments, the four radiation sub-units include a first radiation sub-unit 21, a second radiation sub-unit 22, a third radiation sub-unit 23 and a fourth radiation sub-unit 24, the first radiation sub-unit 21 and the second radiation sub-unit 22 are arranged opposite to each other, the third radiation sub-unit 23 and the fourth radiation sub-unit 24 are arranged opposite to each other, the first radiation sub-unit 21 and the third radiation sub-unit 23 are arranged opposite to each other, the second radiation sub-unit 22 and the fourth radiation sub-unit 24 are arranged opposite to each other, and the shaped power division network board 300 is located in the middle of the first radiation sub-unit 21, the second radiation sub-unit 22, the third radiation sub-unit 23 and the fourth radiation sub-unit 24.

[0036] It should be noted that the first radiation sub-unit 21, the second radiation sub-unit 22, the third radiation sub-unit 23 and the fourth radiation sub-unit 24 are used as receiving and transmitting components, so that the antenna can receive or transmit signals with a radio frequency band of 1710-2700MHz, and the receiving and transmitting effect is good.

[0037] In some optional embodiments, the first radiation sub-unit 21 and the second radiation sub-unit 22 are coupled and connected with the upper end of the shaped power division network board 300 through the first feeding network cable 41, and the third radiation sub-unit 23 and the fourth radiation sub-unit 24 are coupled and connected with the lower end of the shaped power division network board 300 through the first feeding network cable 41.

[0038] In order to further realize the receiving and transmitting function of the high-frequency band, in some optional embodiments, the first radiation sub-unit 21, the second radiation sub-unit 22, the third radiation sub-unit 23 and the fourth radiation sub-unit 24 each include a glue column 211 and a high-frequency board 212, the bottom end of the glue column 211 stands on the reflecting plate 100, and the high-frequency board 212 is arranged at the top end of the glue column 211, so as to further improve the stability of the receiving and transmitting signals.

[0039] In order to better fix the reflecting plate 100 and the radiation unit 200 on the external device, in some optional embodiments, a mounting clamp 600 and a supporting rod 700 are further included, the reflecting plate 100 is arranged on the mounting clamp 600, and the second mounting surface 12 of the reflecting plate 100 is connected with one side of the mounting clamp 600, and the other side of the mounting clamp 600 is movably sleeved on the supporting rod 700.

[0040] In some optional embodiments, the mounting clamp 600 includes an L-shaped plate 61 and a U-shaped screw rod 62, one side of the L-shaped plate 61 is provided with a first fixing hole 611 and a long strip arc hole 612, one end of the U-shaped screw rod 62 is fixed at the first fixing hole 611 through a nut, and the other end of the U-shaped screw rod 62 is adjustably arranged at the long strip arc hole 612 through a nut; wherein the height of the L-shaped plate 61 on the supporting rod 700 is adjusted through the U-shaped screw rod 62.

[0041] In order to realize the horizontal direction angle adjustment and the vertical direction height adjustment of the radiation unit 200, in some optional embodiments, the other side of the L-shaped plate 61 is provided with a second fixing hole 613, and the L-shaped plate 61 is connected and fixed with the reflecting plate 100 through the second fixing hole 613 and a bolt.

[0042] In order to better protect the safety of the circuit or the element, in some optional embodiments, a cover 800 is further included, the cover 800 covers the first mounting surface 11 of the reflecting plate 100, a protection area is formed between the cover 800 and the reflecting plate 100, and the radiation unit 200 and the shaped power distribution network board 300 are located in the protection area.

[0043] It should be noted that, in this way, the cover 800 adopts an anti-static / anti-flame / anti-UV design, prevents static accumulation, protects electronic devices, improves safety, has higher performance and higher commercial value.

[0044] Those skilled in the art should understand that the above embodiments are only used to illustrate the present application, and are not used as a limitation of the present application, and as long as the above embodiments are appropriately changed and changed within the essential spirit of the present application, they fall within the scope of the present application.

Claims

1. A directional antenna for mining, characterized in that, The system includes a reflector (100), a radiating unit (200), a shaping power divider network board (300), a power supply network cable (400), and an RF connector (500). The radiating unit (200) and the shaping power divider network board (300) are both mounted on the first mounting surface (11) of the reflector (100), and the RF connector (500) is mounted on the second mounting surface (12) of the reflector (100). The radiating unit (200) includes multiple radiating sub-units, and the power supply network cable (400)... 00) includes a first power supply network cable (41) and a second power supply network cable (42). Multiple radiation sub-units are coupled to the shaping power divider network board (300) through the first power supply network cable (41). The shaping power divider network board (300) is coupled to the radio frequency connector (500) through the second power supply network cable (42). The radio frequency band of each radiation sub-unit is 1710-2700MHz. The radio frequency connector (500) is set as an external port.

2. The mining directional antenna according to claim 1, characterized in that, The plurality of said radiating sub-units are four said radiating sub-units, and all four said radiating sub-units are coupled to the shaping power distribution network board (300) through the first power supply network cable (41).

3. The mining directional antenna according to claim 2, characterized in that, The four radiation subunits include a first radiation subunit (21), a second radiation subunit (22), a third radiation subunit (23), and a fourth radiation subunit (24). The first radiation subunit (21) and the second radiation subunit (22) are arranged opposite each other from left to right. The third radiation subunit (23) and the fourth radiation subunit (24) are arranged opposite each other from left to right. The first radiation subunit (21) and the third radiation subunit (23) are arranged opposite each other from top to bottom. The second radiation subunit (22) and the fourth radiation subunit (24) are arranged opposite each other from top to bottom. The shaping power distribution network board (300) is located in the middle of the first radiation subunit (21), the second radiation subunit (22), the third radiation subunit (23), and the fourth radiation subunit (24).

4. The mining directional antenna according to claim 3, characterized in that, The first radiating subunit (21) and the second radiating subunit (22) are coupled to the upper end of the shaping power distribution network board (300) through the first power supply network cable (41), and the third radiating subunit (23) and the fourth radiating subunit (24) are coupled to the lower end of the shaping power distribution network board (300) through the first power supply network cable (41).

5. The mining directional antenna according to claim 4, characterized in that, The first radiation subunit (21), the second radiation subunit (22), the third radiation subunit (23) and the fourth radiation subunit (24) all include a glue column (211) and a high-frequency plate (212). The bottom end of the glue column (211) stands on the reflector plate (100), and the high-frequency plate (212) is located at the top end of the glue column (211).

6. The mining directional antenna according to claim 1, characterized in that, It also includes a mounting clip (600) and a support rod (700), the reflector (100) is disposed on the mounting clip (600), and the second mounting surface (12) of the reflector (100) is connected to one side of the mounting clip (600), and the other side of the mounting clip (600) is movably sleeved on the support rod (700).

7. The mining directional antenna according to claim 6, characterized in that, The mounting clip (600) includes an L-shaped plate (61) and a U-shaped screw (62). The L-shaped plate (61) has a first fixing hole (611) and an elongated arc hole (612) on one side. One end of the U-shaped screw is fixed to the first fixing hole (611) by a nut, and the other end of the U-shaped screw is adjustable to the elongated arc hole (612) by a nut. The height of the L-shaped plate (61) on the support rod (700) is adjusted by the U-shaped screw (62).

8. The mining directional antenna according to claim 7, characterized in that, The L-shaped plate (61) has a second fixing hole (613) on the other side, and the L-shaped plate is connected and fixed to the reflector plate (100) by bolts through the second fixing hole (613).

9. The mining directional antenna according to claim 1, characterized in that, It also includes an outer cover (800) that covers the first mounting surface (11) of the reflector (100), forming a protective area between the outer cover (800) and the reflector (100), and the radiation unit (200) and the shaping power distribution network board (300) are located within the protective area.

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