Multi-band multi-port outdoor whip antenna with coupler

Abstract

The utility model relates to a multi-band multi-port outdoor whip antenna with a coupler, which comprises a connector, a chassis and an antenna shell, and the antenna shell comprises a shell, a sleeve and a top cover which are fixed together. The antenna assembly comprises a first mounting plate, a coupler, a plurality of first 2G oscillator arrays, a first 2G oscillator array parasitic piece, a plurality of second 2G oscillator arrays, a second 2G oscillator array parasitic piece, a third 2G oscillator array parasitic piece, a second mounting plate, a 3G feed panel, a first 3G oscillator, a second 3G oscillator and a 3G oscillator parasitic piece. According to the utility model, the coupler is applied, the radiation interference can be reduced, the communication capability and capacity are effectively improved, the directional antenna and the omnidirectional antenna are integrated, and the outdoor coverage is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to a kind of outdoor whip antenna, and the utility model specifically discloses a kind of multi-frequency band multi-port outdoor whip antenna with coupler. 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, and mobile users have higher and higher requirements for the capacity and quality of wireless communication. However, the current wireless channel has problems such as multipath fading, spectrum congestion, noise interference, which greatly affects the improvement of data rate.

[0003] Outdoor distributed antenna is widely used in underground garage, building, factory and so on, but this kind of antenna is rarely used outdoors, and the outdoor distributed system based on base station becomes a cost-effective solution. SUMMARY

[0004] The utility model aims at overcoming the deficiencies in the prior art, and provides a multi-frequency band multi-port outdoor whip antenna with coupler, which can reduce radiation interference and attenuation, optimize transmission efficiency, and improve communication capacity and capacity.

[0005] According to the technical scheme provided by the utility model, the multi-frequency band multi-port outdoor whip antenna with coupler 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.

[0006] The antenna assembly comprises a first mounting plate, a coupler, a plurality of first 2G dipole arrays, a first 2G dipole array parasitic sheet, a plurality of second 2G dipole arrays, a second 2G dipole array parasitic sheet, a third 2G dipole array parasitic sheet, a second mounting plate, a 3G feed plate, a first 3G dipole, a second 3G dipole and a 3G dipole parasitic sheet.

[0007] The lower end of the first mounting plate is fixed with the chassis, a coupler is fixed on the first mounting plate, all the first 2G vibrator arrays are fixed together through the insulating connecting plates between adjacent two first 2G vibrator arrays, each first 2G vibrator array is connected with the corresponding connector through the coaxial cable, the lowermost first 2G vibrator array is fixed with the upper end of the first mounting plate, a plurality of first 2G vibrator array parasitic sheets are installed on the inner side and the outer side of each first 2G vibrator array through the insulating supports, the first 2G vibrator array parasitic sheet is an arc-shaped metal sheet, the total length of the first 2G vibrator array parasitic sheets installed on the inner side and the outer side of each first 2G vibrator array is less than the length of the first 2G vibrator array, and the first 2G vibrator array parasitic sheet is in electrical connection with the first 2G vibrator array;

[0008] All the second 2G vibrator arrays are fixed together through the insulating connecting plates between adjacent two second 2G vibrator arrays, the lowermost second 2G vibrator array is fixed with the uppermost first 2G vibrator array through the insulating connecting plate, the second 2G vibrator array is connected with the corresponding connector through the coaxial cable, a second 2G vibrator array parasitic sheet is installed on the inner side of each second 2G vibrator array through the insulating support, a plurality of third 2G vibrator array parasitic sheets are installed on the outer side of each second 2G vibrator array through the insulating support, the second 2G vibrator array parasitic sheet and the third 2G vibrator array parasitic sheet are arc-shaped metal sheets, the length of the second 2G vibrator array parasitic sheet is equal to that of the second 2G vibrator array, the total length of the third 2G vibrator array parasitic sheets installed on the outer side of each second 2G vibrator array is less than the length of the second 2G vibrator array, and the second 2G vibrator array parasitic sheet and the third 2G vibrator array parasitic sheet are in electrical connection with the second 2G vibrator array;

[0009] The second mounting plate is fixed on the uppermost second 2G vibrator array, the 3G feed plate is fixed on the second mounting plate, the 3G feed plate is connected with the coupler through the coaxial cable, the coupler is connected with the connector through the coaxial cable, the first 3G vibrator and the second 3G vibrator are fixed on the 3G feed plate, the 3G vibrator parasitic sheet is fixed above the first 3G vibrator and the second 3G vibrator, the first 3G vibrator and the second 3G vibrator are in electrical connection with the 3G feed plate, and the 3G vibrator parasitic sheet is in electrical connection with the first 3G vibrator and the second 3G vibrator.

[0010] As preferred, one coupler is fixed on the front and back of the first mounting plate, and one 3G feed plate is fixed on the front and back of the second mounting plate.

[0011] As preferred, the total length of the first 2G vibrator array parasitic sheet mounted on the inner side and the outer side of each of the first 2G vibrator array is 1 / 2-1 / 4 of the length of the first 2G vibrator array.

[0012] As preferred, the total length of the third 2G vibrator array parasitic sheet mounted on the outer side of each of the second 2G vibrator array is 1 / 2-1 / 4 of the length of the second 2G vibrator array.

[0013] The utility model discloses a coupler can reduce the radiation interference, effectively improve the communication ability and capacity, the utility model discloses directional antenna and omnidirectional antenna, convenient outdoor coverage. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the appearance drawing of the utility model.

[0015] Figure 2 It is the front view of the antenna assembly in the utility model.

[0016] Figure 3 It is Figure 2 The enlarged view of part A in the figure.

[0017] Figure 4 It is Figure 2 The enlarged view of part B in the figure. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making the creative labor are within the protection scope of the utility model.

[0019] A multi-frequency multi-port outdoor whip antenna with coupler, as shown in Figures 1-4 It includes connector 1 (its model is NEX10), chassis 2 and antenna housing, and the antenna housing includes shell 3, sleeve 4 and top cover 5 fixed together, the chassis 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 chassis 2, and the antenna assembly is arranged in the antenna housing.

[0020] The antenna assembly comprises a first mounting plate 6, a coupler 7, a plurality of first 2G dipole arrays 8, first 2G dipole array parasitic sheets 9, a plurality of second 2G dipole arrays 10, second 2G dipole array parasitic sheets 11, third 2G dipole array parasitic sheets 12, a second mounting plate 13, a 3G feed plate 14, a first 3G dipole 15, a second 3G dipole 16 and a 3G dipole parasitic sheet 17.

[0021] The lower end of the first mounting plate 6 is fixed to the chassis 2, the coupler 7 is fixed on the first mounting plate 6, all the first 2G dipole arrays 8 are fixed together through the insulating connecting plates between adjacent two first 2G dipole arrays 8, each first 2G dipole array 8 is connected to the corresponding connector 1 through a coaxial cable, the lowermost first 2G dipole array 8 is fixed to the upper end of the first mounting plate 6, a plurality of first 2G dipole array parasitic sheets 9 are installed on the inner side and the outer side of each first 2G dipole array 8 through insulating supports, the first 2G dipole array parasitic sheets 9 are arc-shaped metal sheets, the total length of the first 2G dipole array parasitic sheets 9 installed on the inner side and the outer side of each first 2G dipole array 8 is less than the length of the first 2G dipole array 8, and the first 2G dipole array parasitic sheets 9 are in electrical connection with the first 2G dipole array 8;

[0022] All the second 2G dipole arrays 10 are fixed together through the insulating connecting plates between adjacent two second 2G dipole arrays 10, the lowermost second 2G dipole array 10 is fixed to the uppermost first 2G dipole array 8 through an insulating connecting plate, the second 2G dipole array 10 is connected to the corresponding connector 1 through a coaxial cable, one second 2G dipole array parasitic sheet 11 is installed on the inner side of each second 2G dipole array 10 through an insulating support, a plurality of third 2G dipole array parasitic sheets 12 are installed on the outer side of each second 2G dipole array 10 through insulating supports, the second 2G dipole array parasitic sheet 11 and the third 2G dipole array parasitic sheet 12 are arc-shaped metal sheets, the length of the second 2G dipole array parasitic sheet 11 is equal to that of the second 2G dipole array 10, the total length of the third 2G dipole array parasitic sheets 12 installed on the outer side of each second 2G dipole array 10 is less than the length of the second 2G dipole array 10, and the second 2G dipole array parasitic sheet 11 and the third 2G dipole array parasitic sheet 12 are in electrical connection with the second 2G dipole array 10;

[0023] The second 2G vibrator array 10 at the top is fixed with a second mounting plate 13, and a 3G feeding plate 14 is fixed on the second mounting plate 13, the 3G feeding plate 14 is connected with the coupler 7 through a coaxial cable, the coupler 7 is connected with the connector 1 through a coaxial cable, a first 3G vibrator 15 and a second 3G vibrator 16 are fixed on the 3G feeding plate 14, and a 3G vibrator parasitic sheet 17 is fixed above the first 3G vibrator 15 and the second 3G vibrator 16; the first 3G vibrator 15 and the second 3G vibrator 16 are electrically connected with the 3G feeding plate 14; and the 3G vibrator parasitic sheet 17 is electrically connected with the first 3G vibrator 15 and the second 3G vibrator 16.

[0024] A coupler 7 is fixed on the front and back of the first mounting plate 6, and a 3G feeding plate 14 is fixed on the front and back of the second mounting plate 13.

[0025] The total length of the first 2G vibrator array parasitic sheet 9 mounted on the inner side and the outer side of each of the first 2G vibrator arrays 8 is 1 / 2-1 / 4 of the length of the first 2G vibrator array 8.

[0026] The total length of the third 2G vibrator array parasitic sheet 12 mounted on the outer side of each of the second 2G vibrator arrays 10 is 1 / 2-1 / 4 of the length of the second 2G vibrator array 10.

[0027] The shell 3, the sleeve 4 and the top cover 5 are combined and fixed by using glue to form an antenna shell, and the antenna assembly that is assembled and welded is inserted into the antenna shell as a whole, and the metal base plate 2 is fixed on the shell 3 by using a metal screw.

[0028] In the utility model, the first 2G vibrator array 8 and the first 2G vibrator array parasitic sheet 9 form a small array antenna main body, the small array antenna main body mainly generates frequency band 1695-2200MHz signals, and the small array antenna main body and the connector 1 form an omnidirectional array antenna.

[0029] In the utility model, the second 2G vibrator array 10, the second 2G vibrator array parasitic sheet 11 and the third 2G vibrator array parasitic sheet 12 form a small array antenna main body, the small array antenna main body mainly generates frequency band 1695-2690MHz signals, and the small array antenna main body and the connector 1 form a directional array antenna.

[0030] In the utility model, the 3G feeding plate 14, the first 3G vibrator 15, the second 3G vibrator 16 and the 3G vibrator parasitic sheet 17 form a small dual-polarized array antenna main body, the small dual-polarized array antenna main body mainly generates frequency band 3550-3980MHz signals, the small dual-polarized array antenna main body is adjusted and matched with the coupler 7, and the small dual-polarized array antenna main body and the connector 1 form an omnidirectional array antenna.

[0031] Finally, it should be noted that the above specific embodiments are merely intended to illustrate the technical solutions of the present application and not to limit the present application. Although the present application has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. A multi-band multi-port outdoor whip antenna with coupler, comprising a connector (1), a base plate (2) and an antenna housing, the antenna housing comprising an outer shell (3), a sleeve (4) and a top cover (5) fixed together, the base plate (2) being fixed to the bottom of the outer shell (3), the connector (1) being located outside the antenna housing and fixed to the base plate (2), and an antenna assembly being arranged in the antenna housing; The application is characterized in that the antenna assembly comprising a first mounting plate (6), a coupler (7), a plurality of first 2G element arrays (8), first 2G element array parasitic elements (9), a plurality of second 2G element arrays (10), second 2G element array parasitic elements (11), third 2G element array parasitic elements (12), a second mounting plate (13), a 3G feed plate (14), a first 3G element (15), a second 3G element (16) and 3G element parasitic elements (17); the lower end of the first mounting plate (6) being fixed to the base plate (2), the coupler (7) being fixed to the first mounting plate (6), all the first 2G element arrays (8) being fixed together through an insulating connecting plate arranged between two adjacent first 2G element arrays (8), each first 2G element array (8) being connected to a corresponding connector (1) through a coaxial cable, the lowermost first 2G element array (8) being fixed to the upper end of the first mounting plate (6), a plurality of first 2G element array parasitic elements (9) being arranged on the inner side and the outer side of each first 2G element array (8) through insulating supports, the first 2G element array parasitic elements (9) being arc-shaped metal sheets, the total length of the first 2G element array parasitic elements (9) arranged on the inner side and the outer side of each first 2G element array (8) being less than the length of the first 2G element array (8), and the first 2G element array parasitic elements (9) being electrically connected to the first 2G element array (8). All the second 2G vibrator arrays (10) are fixed together by the insulating connecting plates between the adjacent two second 2G vibrator arrays (10), the lowermost second 2G vibrator array (10) and the uppermost first 2G vibrator array (8) are fixed together by the insulating connecting plate, the second 2G vibrator array (10) is connected with the corresponding connector (1) through the coaxial cable, a second 2G vibrator array parasitic sheet (11) is installed on the inner side of each second 2G vibrator array (10) through the insulating support, a plurality of third 2G vibrator array parasitic sheets (12) are installed on the outer side of each second 2G vibrator array (10) through the insulating support, the second 2G vibrator array parasitic sheet (11) and the third 2G vibrator array parasitic sheet (12) are arc-shaped metal sheets, the length of the second 2G vibrator array parasitic sheet (11) is equal to that of the second 2G vibrator array (10), the total length of the third 2G vibrator array parasitic sheet (12) installed on the outer side of each second 2G vibrator array (10) is less than that of the second 2G vibrator array (10), and the second 2G vibrator array parasitic sheet (11) and the third 2G vibrator array parasitic sheet (12) are in electrical connection with the second 2G vibrator array (10); The uppermost second 2G vibrator array (10) is fixed with a second mounting plate (13), the 3G feeding plate (14) is fixed on the second mounting plate (13), the 3G feeding plate (14) is connected with the coupler (7) through the coaxial cable, the coupler (7) is connected with the connector (1) through the coaxial cable, the first 3G vibrator (15) and the second 3G vibrator (16) are fixed on the 3G feeding plate (14), the 3G vibrator parasitic sheet (17) is fixed above the first 3G vibrator (15) and the second 3G vibrator (16), the first 3G vibrator (15) and the second 3G vibrator (16) are in electrical connection with the 3G feeding plate (14), and the 3G vibrator parasitic sheet (17) is in electrical connection with the first 3G vibrator (15) and the second 3G vibrator (16).

2. The multiband multiport outdoor whip antenna with coupler of claim 1, characterized in that The front surface and the back surface of the first mounting plate (6) are each fixed with a coupler (7), and the front surface and the back surface of the second mounting plate (13) are each fixed with a 3G feeding plate (14).

3. The multi-band, multi-port outdoor whip antenna with coupler as described in claim 1, characterized in that: The total length of the first 2G vibrator array parasitic sheet (9) installed on the inner side and the outer side of each first 2G vibrator array (8) is 1 / 2-1 / 4 of the length of the first 2G vibrator array (8).

4. The multi-band, multi-port outdoor whip antenna with coupler as described in claim 1, characterized in that: The total length of the third 2G vibrator array parasitic sheet (12) installed on the outer side of each second 2G vibrator array (10) is 1 / 2-1 / 4 of the length of the second 2G vibrator array (10). The total length of the third 2G vibrator array parasitic sheet (12) installed on the outer side of each second 2G vibrator array (10) is 1 / 2-1 / 4 of the length of the second 2G vibrator array (10).

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