Portable three-feed-source omnidirectional antenna

Abstract

The utility model discloses a portable three-feed-source omnidirectional antenna, which belongs to the technical field of antennas and is characterized in that a half-wave folded dipole and a waterproof insulating sheath are mounted on the outer ring of the upper end of a balancer in a surrounding manner, the middle of the outer ring of the half-wave folded dipole is sleeved with the waterproof insulating sheath, and an inner conductor is mounted on the lower portion in the half-wave folded dipole in a surrounding manner; the outer end of the inner conductor is provided with a high-temperature-resistant insulating part, the upper end of the coaxial connector is provided with a balancer for limiting the half-wave folded dipole and the waterproof insulating sheath respectively, and the high-temperature-resistant insulating part, the inner conductor, the three-centimeter device, the insulator and the impedance converter are used for carrying out omnibearing surrounding feed source, so that good directionality, higher borne power and higher output are realized. The antenna has the advantages of wide gain bandwidth, no need of additional outer cover protection, indoor and outdoor application, light weight, simple and light structure, strong weather resistance and wider application, the horizontal lobe width of the antenna is 360 degrees, and the vertical half-power lobe width of the antenna is 45-60 degrees.

Description

TECHNICAL FIELD

[0001] The utility model relates to a portable three feed source omnidirectional antenna belongs to antenna technical field. BACKGROUND

[0002] Such as the application number for: 201310105539.9 discloses a kind of omnidirectional antenna, the method includes bottom plate, and the first dielectric plate and second dielectric plate of cross arrangement, first dielectric plate and second dielectric plate stand on bottom plate, first dielectric plate has a plurality of first dipoles for working in first frequency band, second dielectric plate has at least one second dipole for working in second frequency band, the polarization direction of one first dipole in a plurality of first dipoles is different from other first dipoles, by adopting brand-new layout to cross misalign distribution two groups of antennas and the antenna of same frequency is used different polarization and structure to ensure isolation between antennas, omnidirectional coverage can be realized, avoid mutual influence between antennas, greatly improve wireless transmission speed.

[0003] Prior art through bottom plate, and the first dielectric plate and second dielectric plate of cross arrangement, realize omnidirectional coverage, avoid mutual influence between antennas, greatly improve the function of wireless transmission speed.

[0004] Prior art cannot realize the function of wrap-around upper and lower operation, it is inconvenient to carry, and the use is narrow.

[0005] Therefore, a portable three feed source omnidirectional antenna is needed to improve the above deficiencies. UTILITY MODEL CONTENTS

[0006] The main purpose of the utility model is to provide a portable three feed source omnidirectional antenna.

[0007] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0008] The portable three feed source omnidirectional antenna includes a coaxial connector for limiting, a balun is installed on the coaxial connector, an impedance transformer is installed at the upper end in the balun;

[0009] A half-wave folded dipole and a waterproof insulating sheath are installed around the outer ring of the upper end of the balun, the waterproof insulating sheath is sleeved in the middle of the outer ring of the half-wave folded dipole, an inner conductor is installed around the lower part of the half-wave folded dipole, a high-temperature-resistant insulating part is installed at the outer end of the inner conductor;

[0010] An insulator is installed at the inner end of the inner conductor, a three-centimeter wave device is connected to the outer end of the inner conductor, and the three-centimeter wave device is connected to the impedance transformer.

[0011] Preferably, the inner conductor is in U-shaped arc structure.

[0012] The waterproof insulation sheath is preferably sleeved on the middle joint of the half-wave folded monopole.

[0013] The half-wave folded monopole and the inner conductor are preferably spliced by the insulator and the three-centimeter monopole.

[0014] The insulator is preferably arranged on the outer side of the impedance transformer at equal intervals, and the insulator is connected with the balun.

[0015] The half-wave folded monopole and the waterproof insulation sheath are preferably spliced with the balun.

[0016] The beneficial technical effects of the utility model are as follows:

[0017] The utility model provides a portable three feed source omnidirectional antenna, and the omnidirectional antenna is a three feed source equal amplitude in phase folded monopole omnidirectional antenna, and the directivity is good, the power is greater, the gain wide bandwidth does not need to add the outer cover protection, is applicable to indoor and outdoor, and the weight is light, the structure is simple and light, the weatherability is strong, and the application is wider. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic diagram of the device according to the preferred embodiment of the portable three feed source omnidirectional antenna of the utility model;

[0019] Figure 2 It is a side view according to the preferred embodiment of the portable three feed source omnidirectional antenna of the utility model;

[0020] Figure 3 It is a top view according to the preferred embodiment of the portable three feed source omnidirectional antenna of the utility model.

[0021] In the drawing: 1, coaxial connector; 2, balun; 3, half-wave folded monopole; 4, high-temperature-resistant insulating part; 5, inner conductor; 6, waterproof insulation sheath; 7, three-centimeter monopole; 8, insulator; 9, impedance transformer. DETAILED DESCRIPTION

[0022] In order to make the person skilled in the art more clear and definite the technical scheme of the utility model, the utility model is described in further detail below in combination with embodiments and drawings, but the embodiment of the utility model is not limited to this.

[0023] As shown in Figure 1 - Figure 3 The portable three feed source omnidirectional antenna provided by the embodiment includes a coaxial connector 1 for limiting, the coaxial connector 1 is provided with a balun 2, and the balun 2 is provided with an impedance transformer 9 on the inner upper end.

[0024] The upper end outer ring of the balancer 2 is provided with the half-wave folded vibrator 3 and the waterproof insulation sheath 6, the waterproof insulation sheath 6 is sleeved in the middle of the outer ring of the half-wave folded vibrator 3, the inner conductor 5 is provided around the lower part of the half-wave folded vibrator 3, the high-temperature-resistant insulation part 4 is provided at the outer end of the inner conductor 5;

[0025] The inner end of the inner conductor 5 is provided with the insulator 8, and the three-centimeter device 7 is connected to the outer end of the inner conductor 5, and the three-centimeter device 7 is connected with the impedance transformer 9.

[0026] The inner conductor 5 is in a U-shaped circular arc structure.

[0027] The waterproof insulation sheath 6 is sleeved at the middle joint of the half-wave folded vibrator 3.

[0028] The half-wave folded vibrator 3 and the inner conductor 5 are spliced by the insulator 8 and the three-centimeter device 7.

[0029] The outer side of the impedance transformer 9 is provided with the insulators 8 at equal intervals, and the insulators 8 are connected with the balancer 2.

[0030] The half-wave folded vibrator 3 and the waterproof insulation sheath 6 are spliced with the balancer 2.

[0031] As shown in Figure 1 - Figure 3 The working process of the portable three-feed omnidirectional antenna provided by the embodiment is as follows: the balancer 2 is provided at the upper end of the coaxial connector 1 to limit the half-wave folded vibrator 3 and the waterproof insulation sheath 6, and the high-temperature-resistant insulation part 4, the inner conductor 5, the three-centimeter device 7, the insulator 8 and the impedance transformer 9 are used to feed in all directions, so that the antenna has good directivity, can bear more power, has wide gain bandwidth, does not need an additional protective cover, is suitable for indoor and outdoor use, has light weight, simple and light structure, strong weather resistance and wide application.

[0032] Embodiment

[0033] As shown in Figure 1 - Figure 3 The coaxial connector 1 is provided with the balancer 2 at the upper end, the balancer 2 is provided with the half-wave folded vibrator 3 around the upper end, the half-wave folded vibrator 3 is in a splicing structure from top to bottom, the waterproof insulation sheath 6 is provided in the middle of the half-wave folded vibrator 3, the inner conductor 5 is provided through the waterproof insulation sheath 6, the high-temperature-resistant insulation part 4 is wrapped outside the inner conductor 5, the impedance transformer 9 is provided at the upper end of the balancer 2, the insulator 8 is provided at the outer end of the inner conductor 5 of the impedance transformer 9, and the insulator 8 is connected with the inner conductor 5 of the half-wave folded vibrator 3;

[0034] The balancer 2 is installed on the upper end of the coaxial connector 1 to limit the half-wave folded vibrator 3 and the waterproof insulation sheath 6, and the high-temperature-resistant insulation piece 4, the inner conductor 5, the three-centimeter wave device 7, the insulator 8 and the impedance transformer 9 are used to realize all-around surrounding feed source, good directivity, larger bearing power, wide gain bandwidth, no need of additional outer cover protection, indoor and outdoor application, light weight, simple and light structure, strong weather resistance, wider use and other functions.

[0035] The above is only further embodiments of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the disclosed range of the present application, which belongs to the protection scope of the present application.

Claims

1. Portable three-feed omnidirectional antenna, characterized by: It comprises a coaxial connector (1) for limiting, a balancer (2) is installed on the coaxial connector (1), and an impedance converter (9) is installed at the upper end of the balancer (2); A half-wave folded vibrator (3) and a waterproof insulating sheath (6) are mounted around the outer ring of the upper end of the balancer (2); a waterproof insulating sheath (6) is provided in the middle of the outer ring of the half-wave folded vibrator (3); an inner conductor (5) is mounted around the lower inner portion of the half-wave folded vibrator (3); and a high-temperature resistant insulating member (4) is mounted on the outer end of the inner conductor (5); An insulator (8) is installed at the inner end of the inner conductor (5), and a three-centimeter switch (7) is connected to the outer end of the inner conductor (5). The three-centimeter switch (7) is connected to the impedance converter (9).

2. The portable triple-feed omnidirectional antenna according to claim 1, characterized in that: The inner conductor (5) is a U-shaped arc structure.

3. The portable triple-feed omnidirectional antenna according to claim 2, characterized in that: The waterproof insulating sheath (6) is sleeved on the middle joint of the half-wave folded vibrator (3).

4. The portable triple-feed omnidirectional antenna according to claim 3, characterized in that: The half-wave folded oscillator (3) and the inner conductor (5) are formed by splicing an insulator (8) and a three-centimeter device (7).

5. The portable triple-feed omnidirectional antenna according to claim 4, characterized in that: Insulators (8) are distributed at equal intervals outside the impedance transformer (9), and the insulators (8) are supported and connected to the balancer (2).

6. The portable triple-feed omnidirectional antenna according to claim 5, characterized in that: The half-wave folded vibrator (3), the waterproof insulating sheath (6) and the balancer (2) are spliced ​​together.

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