Multi-band outdoor antenna

Abstract

The utility model relates to a multi-band outdoor antenna, which comprises a connector, a bottom plate and an antenna shell, the antenna shell comprises a shell, a sleeve and a top cover which are fixed together, the bottom plate is fixed with the bottom of the shell, the connector is positioned on the outer side of the antenna shell and is fixed with the bottom plate, and an antenna assembly is arranged in the antenna shell; the antenna assembly comprises a first printed circuit board, a mounting plate, a connecting plate, a second printed circuit board, a first 2G oscillator, a second 2G oscillator, a 2G oscillator parasitic piece, a low-frequency oscillator array, a low-frequency oscillator parasitic piece and a 2G feed plate. The mobile phone can effectively reduce the size, can be applied to more scenes, and is convenient for outdoor coverage.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of antenna, the utility model discloses a kind of multi-frequency band outdoor antenna. BACKGROUND

[0002] With the rapid development of wireless communication technology, the comprehensive popularization of information society, the development of mobile communication technology has become more and more important, mobile users to the capacity and quality of wireless communication more and more high.

[0003] Indoor distributed antenna is very widely used, underground garage, building, factory and so on, but this kind of antenna is rarely outdoor, still mainly base station, outdoor distributed system becomes a cost-effective solution.

[0004] Most of the outdoor cylindrical antennas on the market are large in size, few in frequency band and single in style. SUMMARY

[0005] The utility model aims at overcoming the deficiencies in the prior art, and provides a multi-frequency band outdoor antenna which is small in size, can be applied to more scenes and is convenient for outdoor coverage.

[0006] According to the technical scheme provided by the utility model, the multi-frequency band outdoor antenna comprises a connector, a bottom plate and an antenna shell, the antenna shell comprises an outer shell, a sleeve and a top cover fixed together, the bottom plate is fixed to the bottom of the outer shell, the connector is located on the outer side of the antenna shell and is fixed to the bottom plate, and an antenna assembly is arranged in the antenna shell.

[0007] The antenna assembly comprises a first printed circuit board, a mounting plate, a connecting plate, a second printed circuit board, a first 2G oscillator, a second 2G oscillator, a 2G oscillator parasitic sheet, a low-frequency oscillator array, a low-frequency oscillator parasitic sheet and a 2G feed plate.

[0008] The mounting plate is fixed with the bottom plate, the first printed circuit board is fixed with the mounting plate, a plurality of low-frequency oscillator arrays are arranged in the height direction of the antenna shell, the number of the low-frequency oscillator arrays is equal to the number of the first printed circuit boards, adjacent two low-frequency oscillator arrays are fixed through the connecting plates, the lowermost low-frequency oscillator array is fixed with the mounting plate through the connecting plate, the low-frequency oscillator arrays are connected with the corresponding first printed circuit boards through coaxial cables, the first printed circuit boards are connected with the corresponding connectors through coaxial cables, the low-frequency oscillator parasitic patches are fixed on the side of the low-frequency oscillator arrays through the insulating supports, the low-frequency oscillator parasitic patches are electrically connected with the low-frequency oscillator arrays, the insulating supports are fixed on the front and back surfaces of the low-frequency oscillator arrays, each of the 2G feed plates is fixed on the insulating support on the front and back surfaces of the low-frequency oscillator arrays, a plurality of 2G oscillator assemblies are arranged on each of the 2G feed plates, the 2G oscillator assembly comprises a first 2G oscillator, a second 2G oscillator and a 2G oscillator parasitic patch, the first 2G oscillator and the second 2G oscillator are fixed with the 2G feed plate, the 2G feed plate is connected with the corresponding connector through the coaxial cable, the first 2G oscillator and the second 2G oscillator are electrically connected with the 2G feed plate, the 2G oscillator parasitic patch is fixed above the first 2G oscillator and the second 2G oscillator, and the 2G oscillator parasitic patch is electrically connected with the first 2G oscillator and the second 2G oscillator.

[0009] Preferably, each of the 2G feed plates is fixed with a metal isolation strip.

[0010] Preferably, three groups of the 2G oscillator assemblies are arranged on each of the 2G feed plates.

[0011] Preferably, four low-frequency oscillator parasitic patches are fixed on the side of each of the low-frequency oscillator arrays, and the low-frequency oscillator parasitic patches are in the shape of a circular arc.

[0012] The antenna has the following advantages:

[0013] 1. The antenna in the utility model adopts the printed circuit board form, and the volume can be effectively reduced.

[0014] 2. The utility model has the characteristics of multi-frequency band and multi-port, and can be applied to more scenes.

[0015] 3. The utility model is an omnidirectional antenna, and is convenient for outdoor coverage. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the appearance view of the utility model.

[0017] Figure 2 It is the front view of the antenna assembly in the utility model.

[0018] Figure 3 is Figure 2 an enlarged view of part A in

[0019] Figure 4 is Figure 2 an enlarged view of part B in

[0020] Figure 5 is a top view of the antenna assembly in the utility model.

[0021] Figure 6 is Figure 5 an enlarged view of part C in

[0022] Figure 7 is Figure 5 an enlarged view of part D in DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the utility model will be described clearly and completely below by combining with the drawings in the embodiments of the utility model, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the protection scope of the utility model.

[0024] A multi-band outdoor antenna, as shown in Figures 1-7 , it includes connector 1, bottom plate 2 and antenna housing, the antenna housing includes shell 3, sleeve 4 and top cover 5 fixed together by using glue and plastic rivet, the bottom plate 2 is fixed with the bottom of shell 3, the connector 1 is located on the outside of the antenna housing and the connector 1 is fixed with the bottom plate 2, and the antenna assembly is arranged in the antenna housing.

[0025] The antenna assembly includes first printed circuit board 6, mounting plate 7, connecting plate 8, second printed circuit board 9, first 2G vibrator 10, second 2G vibrator 11, 2G vibrator parasitic piece 12, low-frequency vibrator array 13, low-frequency vibrator parasitic piece 14 and 2G feed plate 15.

[0026] The mounting plate 7 is fixed with the bottom plate 2, the first printed circuit board 6 is fixed with the mounting plate 7, a plurality of low-frequency vibrator arrays 13 are arranged in the height direction of the antenna shell, the number of the low-frequency vibrator arrays 13 is equal to the number of the first printed circuit boards 6, adjacent two low-frequency vibrator arrays 13 are fixed through the connecting plate 8, the lowermost low-frequency vibrator array 13 is fixed with the mounting plate 7 through the connecting plate 8, the low-frequency vibrator array 13 is connected with the corresponding first printed circuit board 6 through a coaxial cable, the first printed circuit board 6 is connected with the corresponding connector 1 through a coaxial cable, the low-frequency vibrator parasitic sheet 14 is fixed on the side of the low-frequency vibrator array 13 through an insulating support, the low-frequency vibrator parasitic sheet 14 is electrically connected with the low-frequency vibrator array 13, the insulating supports are fixed on the front and back surfaces of the low-frequency vibrator array 13, a 2G feed plate 15 is fixed on each of the insulating supports, the two 2G feed plates 15 are electrically connected through the second printed circuit board 9 penetrating through the connecting plate 8, a plurality of 2G vibrator assemblies are arranged on each 2G feed plate 15, the 2G vibrator assembly comprises a first 2G vibrator 10, a second 2G vibrator 11 and a 2G vibrator parasitic sheet 12, the first 2G vibrator 10 and the second 2G vibrator 11 are fixed with the 2G feed plate 15, the 2G feed plate 15 is electrically connected with the corresponding connector 1 through a coaxial cable, the first 2G vibrator 10 and the second 2G vibrator 11 are electrically connected with the 2G feed plate 15, the 2G vibrator parasitic sheet 12 is fixed above the first 2G vibrator 10 and the second 2G vibrator 11, and the 2G vibrator parasitic sheet 12 is electrically connected with the first 2G vibrator 10 and the second 2G vibrator 11.

[0027] A metal isolation strip 16 is fixed on each 2G feed plate 15.

[0028] Three 2G vibrator assemblies are arranged on each 2G feed plate 15.

[0029] Four low-frequency vibrator parasitic sheets 14 are fixed on the side of each low-frequency vibrator array 13, and the low-frequency vibrator parasitic sheet 14 is in the shape of a circular arc.

[0030] In the utility model, the connector 1 adopts NEX10 type connector, the mounting plate 7 adopts aluminum plate, and the connecting plate 8 adopts FR4 grade plastic plate.

[0031] In the utility model, the first 2G vibrator 10, the second 2G vibrator 11, the low-frequency vibrator array 13 and the 2G feed plate 15 are all printed circuit boards, and the 2G vibrator parasitic sheet 12 and the low-frequency vibrator parasitic sheet 14 are all metal sheets.

[0032] In the utility model, three groups of 2G oscillator components (each group of 2G oscillator components is formed by a first 2G oscillator 10, a second 2G oscillator 11 and a 2G oscillator parasitic piece 12) and a 2G feed plate 15 form a small dual-polarized array antenna main body, the small dual-polarized array antenna main body mainly generates signals of frequency band 1695-2690MHz, and the small dual-polarized array antenna main body and the connector 1 form an omnidirectional array antenna.

[0033] In the utility model, the low-frequency oscillator array 13 and the four low-frequency oscillator parasitic pieces 14 fixed on each low-frequency oscillator array 13 form a small array antenna main body, the small array antenna main body mainly generates signals of frequency band 617-896MHz, the metal isolation strip 16 is used for improving the isolation degree of the small array antenna main body, each small array antenna main body is adjusted and matched with a first printed circuit board 6, and an omnidirectional array antenna is formed with the connector 1.

[0034] Finally, it should be explained that the above specific embodiments are only used to illustrate the technical scheme of the utility model and not to limit it, and although the utility model has been described in detail with reference to examples, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical scheme of the utility model, and they should be covered in the scope of the claims of the utility model.

Claims

1. A multi-band outdoor antenna, comprising a connector (1), a bottom plate (2) and an antenna housing, the antenna housing comprises a shell (3), a sleeve (4) and a top cover (5) fixed together, the bottom plate (2) is fixed with the bottom of the shell (3), the connector (1) is located outside the antenna housing and the connector (1) is fixed with the bottom plate (2), and an antenna assembly is arranged in the antenna housing; The application is characterized in that The antenna assembly comprises a first printed circuit board (6), a mounting plate (7), a connecting plate (8), a second printed circuit board (9), a first 2G dipole (10), a second 2G dipole (11), a 2G dipole parasitic sheet (12), a low-frequency dipole array (13), a low-frequency dipole parasitic sheet (14) and a 2G feed plate (15); The mounting plate (7) is fixed with the bottom plate (2), the first printed circuit board (6) is fixed with the mounting plate (7), a plurality of low-frequency dipole arrays (13) are arranged in the height direction of the antenna housing, the number of the low-frequency dipole arrays (13) is equal to the number of the first printed circuit boards (6), adjacent two low-frequency dipole arrays (13) are fixed through the connecting plate (8), the lowermost low-frequency dipole array (13) is fixed with the mounting plate (7) through the connecting plate (8), the low-frequency dipole array (13) is connected with the corresponding first printed circuit board (6) through a coaxial cable, the first printed circuit board (6) is connected with the corresponding connector (1) through a coaxial cable, the low-frequency dipole parasitic sheet (14) is fixed on the side of the low-frequency dipole array (13) through an insulating support, the low-frequency dipole parasitic sheet (14) is electrically connected with the low-frequency dipole array (13), the insulating supports are fixed on the front and back surfaces of the low-frequency dipole array (13), one 2G feed plate (15) is fixed on each of the insulating supports on the front and back surfaces of the low-frequency dipole array (13), the two 2G feed plates (15) are electrically connected through the second printed circuit board (9) penetrating through the connecting plate (8), a plurality of 2G dipole assemblies are arranged on each 2G feed plate (15), the 2G dipole assembly comprises the first 2G dipole (10), the second 2G dipole (11) and the 2G dipole parasitic sheet (12), the first 2G dipole (10) and the second 2G dipole (11) are fixed with the 2G feed plate (15), the 2G feed plate (15) is connected with the corresponding connector (1) through a coaxial cable, the first 2G dipole (10) and the second 2G dipole (11) are electrically connected with the 2G feed plate (15), the 2G dipole parasitic sheet (12) is fixed above the first 2G dipole (10) and the second 2G dipole (11), and the 2G dipole parasitic sheet (12) is electrically connected with the first 2G dipole (10) and the second 2G dipole (11).

2. The multi-band outdoor antenna of claim 1, wherein: A metal isolation strip (16) is fixed on each 2G feed plate (15).

3. The multi-band outdoor antenna as described in claim 1, characterized in that: Three 2G dipole assemblies are arranged on each 2G feed plate (15).

4. The multi-band outdoor antenna of claim 1, wherein the first band is 700 MHz and the second band is 850 MHz. Four low-frequency vibrator parasitic pieces (14) are fixed on the side of each low-frequency vibrator array (13), and the low-frequency vibrator parasitic pieces (14) are in circular arc shape.

Images