CN213546561U - 2G omnidirectional high-gain WIFI antenna with strong environmental adaptability - Google Patents

Abstract

The utility model discloses a 2G qxcomm technology high-gain WIFI antenna of environmental suitability, including the medium base plate, medium base plate inboard is provided with a unit, two units and three units, two units set up in a unit rear side, three units set up in two unit rear sides, radiation piece is installed to medium base plate top equidistance, radiation piece is installed down to medium base plate below equidistance, medium base plate top fixed mounting has the coaxial line, medium base plate below fixed mounting has down with the axis. This high-gain WIFI antenna of 2G qxcomm technology that environmental suitability is strong, the size of medium substrate has made very big reduction, adapts to the narrow and small space of router, reaches the characteristics of comprehensive utilization to the installation environment of difference, and the impedance match of antenna has been optimized to the rectangle minor matters, and signal transmission is wider with the received frequency coverage, and the gain effect is more obvious, and the efficiency value is higher, and the comprehensive reduction of antenna size has optimization effect to the manufacturing process flow of antenna.

Description

2G omnidirectional high-gain WIFI antenna with strong environmental adaptability

Technical Field

The utility model relates to a 2G antenna equipment technical field specifically is a 2G qxcomm technology high-gain WIFI antenna of environmental suitability.

Background

An antenna is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium, usually free space, or vice versa, i.e. to transmit or receive an electromagnetic wave. Colloquially, an antenna, whether a base station or a mobile terminal, acts as an intermediary between the transmission and reception of signals.

For a 2 GWIFISI antenna, good omnidirectional radiation and high gain are generally required in a horizontal plane, and due to the limitation of space environment, certain requirements are required for the size of the antenna, so that a WIFI antenna with a narrow width is required to be designed in order to adapt to a narrow space of a router.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 2G qxcomm technology high gain WIFI antenna of environmental suitability to the problem that receives space environment's restriction easily when proposing the 2G antenna use in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-gain WIFI antenna of G qxcomm technology of environmental suitability, includes the medium base plate, medium base plate inboard is provided with a unit, two units and three units, two units set up in a unit rear side, three units set up in two unit rear sides, the radiation piece is installed to medium base plate top equidistance, the radiation piece is installed down to medium base plate below equidistance, medium base plate top fixed mounting has the coaxial line, medium base plate below fixed mounting has lower coaxial line.

Preferably, go up radiation piece and lower radiation piece all in order to set up in one unit, two units and three unit inboards in proper order, go up radiation piece and lower radiation piece and be the U type structure of opposite direction, go up radiation piece and lower radiation piece crisscross setting on the vertical line.

Preferably, the upper coaxial line is fixedly connected between the upper radiation pieces, the lower coaxial line is fixedly connected between the lower radiation pieces, the front end of the lower coaxial line is arranged on the front side of the medium substrate, and the front end of the lower coaxial line is fixedly provided with a signal end.

Preferably, the inner side of the lower radiation sheet is provided with a rectangular branch, the rectangular branch is fixedly mounted at the lower ends of the two units, and the upper radiation sheet, the lower radiation sheet and the rectangular branch are all of semi-rigid copper foil structures.

Preferably, the inner sides of the upper coaxial line and the lower coaxial line are both provided with feed points, a through hole is formed between the first unit and the second unit, and the through hole is arranged below the feed points.

Preferably, the dielectric substrate is a printed circuit board structure, and the lengths between the upper radiation pieces and the lower radiation pieces are both greater than the structural length thereof.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the 2G omnidirectional high-gain WIFI antenna with strong environmental adaptability, the size of the medium substrate is greatly reduced, the antenna is suitable for narrow space of a router, and the characteristic of comprehensive utilization of different installation environments is achieved;

2. according to the 2G omnidirectional high-gain WIFI antenna with strong environmental adaptability, the impedance matching of the antenna is optimized by the rectangular branch, the coverage range of signal transmitting and receiving frequencies is wider, the gain effect is more obvious, and the efficiency value is higher;

3. this 2G qxcomm technology high gain WIFI antenna that environmental suitability is strong, the comprehensive reduction of antenna size has the optimization effect to the manufacturing process of antenna, very big reduction manufacturing cost, improvement production efficiency and enterprise's profit.

Drawings

FIG. 1 is a schematic view of the upper end of the dielectric substrate according to the present invention;

FIG. 2 is a schematic view of a lower end of the dielectric substrate according to the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. a dielectric substrate; 2. a unit; 3. a second unit; 4. a third unit; 5. an upper radiation sheet; 6. a lower radiation sheet; 7. an upper coaxial line; 8. lower coaxial line; 9. a signal terminal; 10. rectangular branch knots; 11. a feed point; 12. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a 2G qxcomm technology high-gain WIFI antenna of strong environmental suitability, including medium base plate 1, medium base plate 1 inboard is provided with a unit 2, two units 3 and three units 4, two units 3 set up in 2 rear sides of a unit, three units 4 set up in two unit 3 rear sides, radiator 5 is installed to medium base plate 1 top equidistance, radiator 6 is installed down to medium base plate 1 below equidistance, medium base plate 1 top fixed mounting has last coaxial line 7, medium base plate 1 below fixed mounting has lower coaxial line 8.

Furthermore, the upper radiating sheet 5 and the lower radiating sheet 6 are sequentially arranged on the inner sides of the first unit 2, the second unit 3 and the third unit 4, the upper radiating sheet 5 and the lower radiating sheet 6 are of U-shaped structures with opposite directions, the upper radiating sheet 5 and the lower radiating sheet 6 are arranged on a vertical line in a staggered mode, the medium substrate 1 enables the upper radiating sheet 5 and the lower radiating sheet 6 on the upper side and the lower side to form three groups of radiating units through the arrangement of the first unit 2, the second unit 3 and the third unit 4, and antenna signals are enhanced.

Further, go up coaxial line 7 fixed connection between last radiation piece 5, lower coaxial line 8 fixed connection is between radiation piece 6 down, and lower coaxial line 8 front end sets up in medium base plate 1 front side, and lower coaxial line 8 front end fixed mounting has signal end 9, goes up coaxial line 7 and lower coaxial line 8 and establishes ties last radiation piece 5 and lower radiation piece 6, utilizes signal end 9 transmission and receives the WIFI signal.

Furthermore, the inner side of the lower radiation sheet 6 is provided with a rectangular branch 10, the rectangular branch 10 is fixedly installed at the lower end of the two units 3, the upper radiation sheet 5, the lower radiation sheet 6 and the rectangular branch 10 are all semi-rigid copper foil structures, and the rectangular branch 10 optimizes the impedance matching of the antenna to enhance the anti-interference capability of the WIFI signal.

Furthermore, the inner sides of the upper coaxial line 7 and the lower coaxial line 8 are both provided with a feed point 11, a through hole 12 is formed between the first unit 2 and the second unit 3, the through hole 12 is arranged below the feed point 11, and the feed point 11 reads electric signals of the radiation units on two sides of the dielectric substrate 1 through the through hole 12.

Further, the medium substrate 1 is of a printed circuit board structure, the lengths between the upper radiation pieces 5 and between the lower radiation pieces 6 are larger than the structural length, and a distance is arranged among the first unit 2, the second unit 3 and the third unit 4.

The working principle is as follows: firstly, as a coaxial series-fed planar dipole array antenna, the overall size of a dielectric substrate 1 is 190 x 15 x 1mm, the reduction of the size enables the manufacturing cost to be greatly compressed, an upper radiation sheet 5 and a lower radiation sheet 6 are respectively arranged on two sides of the dielectric substrate 1, the impedance matching of the antenna is optimized through rectangular branches 10 in the lower radiation sheet 6 of two units 3, and 2.4-2.5 GHz is covered, wherein the dielectric substrate 1 is made of an FR4 PCB plate with the thickness of 1mm and the dielectric constant of 4.4, the upper radiation sheet 5 and the lower radiation sheet 6 are printed by copper foils, the antenna is composed of three groups of radiation units, a feed point 11 is positioned between the two units 2 and 3, the upper coaxial line 7 and the lower coaxial line 8 feed the two arms of the dipole units on the front surface and the back surface of the dielectric substrate 1 through a through hole 12 at the feed point 11, the maximum gain of the antenna reaches 5.89DBi, the overall efficiency is 70%, the dielectric substrate has good all-directional radiation performance on a horizontal plane, and meanwhile, the dielectric substrate 1 is narrow in width and can be well suitable for various different installation environments.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a 2G qxcomm technology high-gain WIFI antenna of environmental suitability, includes the medium base plate, its characterized in that: medium base plate inboard is provided with a unit, two units and three units, two units set up in a unit rear side, three units set up in two unit rear sides, the radiation piece is installed to medium base plate top equidistance, radiation piece is installed down to medium base plate below equidistance, medium base plate top fixed mounting has last coaxial line, medium base plate below fixed mounting has down the coaxial line.

2. The environmentally adaptable 2G omni-directional high-gain WIFI antenna of claim 1, wherein: go up radiation piece and lower radiation piece all in order to set gradually in a unit, two units and three unit inboards, it is the U type structure of opposite direction with lower radiation piece to go up radiation piece, go up radiation piece and lower radiation piece crisscross setting on the vertical line.

3. The environmentally adaptable 2G omni-directional high-gain WIFI antenna of claim 1, wherein: the upper coaxial line is fixedly connected between the upper radiation pieces, the lower coaxial line is fixedly connected between the lower radiation pieces, the lower coaxial line front end is arranged on the front side of the medium substrate, and the lower coaxial line front end is fixedly provided with a signal end.

4. The environmentally adaptable 2G omni-directional high-gain WIFI antenna of claim 1, wherein: the lower radiating sheet is internally provided with rectangular branches which are fixedly arranged at the lower ends of the two units, and the upper radiating sheet, the lower radiating sheet and the rectangular branches are semi-rigid copper foil structures.

5. The environmentally adaptable 2G omni-directional high-gain WIFI antenna of claim 1, wherein: the coaxial cable is characterized in that feeding points are arranged on the inner sides of the upper coaxial cable and the lower coaxial cable, a through hole is formed between the first unit and the second unit, and the through hole is formed below the feeding points.

6. The environmentally adaptable 2G omni-directional high-gain WIFI antenna of claim 1, wherein: the medium substrate is of a printed circuit board structure, and the lengths between the upper radiation pieces and the lengths between the lower radiation pieces are both larger than the structural lengths.

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