CN106025491A - Router antenna with isolation ring arm - Google Patents

Abstract

The invention discloses a router antenna with an isolation ring arm, comprising a shell, wherein a communication antenna body is arranged in the shell, and the communication antenna body comprises two rectangular dielectric plates, and the backs of the two dielectric plates are connected together; two microstrip radiation units which are symmetrical in upper and lower directions are arranged on the front of each dielectric plate; the communication antenna of the invention has a wider bandwidth and is very suitable for use as a router antenna.

Description

Router Antenna with Spacer Arm

technical field

The invention relates to a router antenna provided with spacer arms.

Background technique

At present, the router is an indispensable electronic device for people's daily life. It is used to convert wired network signals into wireless signals for people to use; the key to the performance of the router lies in the antenna structure it sets. If a good The antenna configured by the router should have strong gain and other electrical properties; currently, the router usually uses a wide frequency band as the network frequency selection of WIFI, so the antenna should have a larger bandwidth to adapt to more frequency signals.

Contents of the invention

The object of the present invention is to overcome the disadvantages mentioned above, and provide a router antenna provided with spacer arms.

In order to achieve the above object, the specific solution of the present invention is as follows: a router antenna provided with an isolation ring arm includes a housing, the housing is provided with a communication antenna body, and the communication antenna body includes two rectangular medium The backs of the two dielectric plates are connected together; the front of each dielectric plate is provided with two vertically symmetrical microstrip radiation units.

Wherein, each microstrip radiating unit includes an arc-shaped first radiating arm, and also includes a feeding piece, and the feeding piece is connected to the first radiating arm through a feeding microstrip line; the first radiating The two ends of the arm are connected with the main radiation arm, and the side of the main radiation arm away from the first radiation arm extends an L-shaped first connecting arm and a rectangular second connecting arm, and the free end of the second connecting arm A rectangular radial arm is extended, and a cross arm extends from the first connecting arm to the second connecting arm, and a plurality of tooth arms arranged side by side extend downward from the cross arm; the first connecting arm also extends to the second connecting arm. A concave-shaped concave arm extends from the bottom, and T-shaped bars extend from the two sides of the concave arm to the middle; the main radial arm is provided with multiple sets of turbulence units arranged in a row, and each turbulence The flow unit includes two T-shaped notches arranged in opposite directions.

Wherein, the number of the tooth arms is N, the number of the spoiler units is K, the length of the T-shaped bar is S, and the line width of the concave-shaped arm is L, then S=0.5N*L +0.5K*L.

Wherein, the number of said tooth arms is 15-18.

Wherein, the four corners of the feed piece are rounded.

Wherein, a rectangular parasitic dipole arm is arranged in the first radiation arm.

Wherein, an isolated microstrip line arranged between two microstrip radiating units is also provided on the front surface of each dielectric plate.

Wherein, a circle of isolation ring arms is also provided on the periphery of the front surface of each dielectric board.

Wherein, the bottom of the casing is also provided with a pivot ring for setting the antenna on the router.

The beneficial effect of the present invention is that the communication antenna of the present invention has relatively wide bandwidth and is very suitable for use as an antenna of a router.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the front view of the dielectric plate of the present invention;

Fig. 3 is a partial enlarged view of Fig. 2;

Fig. 4 is the schematic diagram of return loss of the present invention;

Fig. 5 is a schematic diagram of the antenna efficiency of the present invention.

Explanation of reference numerals among Fig. 1 to Fig. 5:

1-shell; 2-pivot ring; e11-isolation microstrip line; e12-isolation ring arm;

e1-dielectric plate; e2-feed sheet; e3-feed microstrip line; e4-first radiation arm; e5-rectangular parasitic oscillator arm; e6-main radiation arm; e61-T-shaped notch; e71-first connection arm; e72-second connecting arm; e73-cross arm; e74-tooth arm; e75-rectangular radial arm;

e8 - concave arm; e81 - T-bar.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, and the implementation scope of the present invention is not limited thereto.

As shown in Figures 1 to 5, a router antenna provided with an isolation ring arm according to this embodiment includes a housing 1, and a communication antenna body is provided in the housing 1, and the communication antenna body includes There are two rectangular dielectric plates e1, and the backs of the two dielectric plates e1 are connected together; two vertically symmetrical microstrip radiation units are arranged on the front of each dielectric plate e1. The communication antenna of the present invention has relatively wide bandwidth, and is very suitable for use as an antenna of a router. Two dielectric plates e1 form a dual-polarized antenna, one radiates horizontal polarization, and the other radiates vertical polarization, forming an omnidirectional antenna.

Specifically, each microstrip radiating unit includes an arc-shaped first radiating arm e4, and also includes a feeding piece e2, and the feeding piece e2 is connected to the first radiating arm e4 through a feeding microstrip line e3 The two ends of the first radiation arm e4 are connected with the main radiation arm e6, and the side of the main radiation arm e6 away from the first radiation arm e4 extends an L-shaped first connecting arm e71 and a rectangular second connection Arm e72, the free end of the second connecting arm e72 is extended with a rectangular radial arm e75, the first connecting arm e71 extends to the second connecting arm e72 with a cross arm e73, and the cross arm e73 extends downward There are a plurality of tooth arms e74 arranged side by side; the first connecting arm e71 also extends downwards with a concave arm e8 in a concave shape, and the two sides of the concave arm e8 respectively extend to the middle with T-shaped Rod e81; the main radiating arm e6 is provided with multiple groups of flow turbulence units arranged in a row, and each flow turbulence unit includes two T-shaped notches e61 arranged in opposite directions. Fig. 4 is a schematic diagram of the return loss of the antenna of the present invention. As shown in Figure 4, the return losses of the antenna at 700MHz, 960MHz, 1710MHz, 2170MHz and 2700MHz are -5.2dB, -5.57dB, -8dB, -7.8dB and -6.1dB respectively; The embodiments can fully meet the requirements for antenna return loss in engineering practice. Fig. 5 is a schematic diagram of the efficiency of the antenna of the present invention; as shown in Fig. 5, the efficiencies of the antenna at low frequencies of 700MHz, 820MHz and 960MHz are respectively -1.7dB, -1.7dB and -0.6dB. The efficiencies at high frequency 1710MHz, 1850MHz and 2170MHz are respectively -0.6dB, -0.3dB and -0.8dB; the general engineering requirement is -4dB for low frequency, and -3dB for high frequency. This embodiment can fully meet the requirements of engineering practice. Requirements for antenna return loss.

In the router antenna provided with spacer arms described in this embodiment, the number of said toothed arms e74 is N, the number of said spoiler units is K, and the length of said T-shaped bar e81 is S, so The line width of the concave-shaped arm is L, then S=0.5N*L+0.5K*L; after satisfying this formula, the gain of the communication antenna is the highest, and the standing wave ratio is close to 1.

In the router antenna provided with spacer arms described in this embodiment, the number of tooth arms e74 is 15-18. The number of tooth arms e74 can effectively increase the efficiency of the antenna and reduce the standing wave ratio.

In the router antenna provided with an isolation ring arm described in this embodiment, the four corners of the feed piece e2 are rounded, which makes the feed current smoother and reduces noise.

In the router antenna provided with the spacer arm described in this embodiment, the first radiation arm e4 is provided with a rectangular parasitic dipole arm e5 to increase the gain.

A kind of router antenna that is provided with isolation ring arm described in this embodiment, also is provided with the isolated microstrip line e11 that is located in the middle of two microstrip radiating units on the front of each dielectric plate e1; Symmetrical isolation reduces interference.

In the router antenna provided with isolation ring arms described in this embodiment, a ring of isolation ring arms e12 is also provided on the periphery of the front surface of each dielectric board e1 to reduce the degree of external isolation.

In the router antenna provided with spacer arms described in this embodiment, the bottom of the casing 1 is also provided with a pivot ring 2 for mounting the antenna on the router; it is convenient for installation on most routers.

The above is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, features and principles described in the patent application scope of the present invention are included in the protection scope of the patent application of the present invention.

Claims (6)

1. the router antenna being provided with cage ring arm, it is characterized in that: include housing (1), being provided with communication antenna body in described housing (1), described communication antenna body includes the dielectric-slab (e1) of two rectangles, links together between the back side of two dielectric-slabs (e1)；The front of each dielectric-slab (e1) is provided with two in laterally zygomorphic micro-strip radiating element；

Periphery on the front of each dielectric-slab (e1) is additionally provided with circle cage ring arm (e12).

A kind of router antenna being provided with cage ring arm the most according to claim 1, it is characterized in that: each micro-strip radiating element includes first radiation arm (e4) of arc, also include a feed tab (e2), be connected by feeding microstrip line (e3) between described feed tab (e2) with the first radiation arm (e4)；The two ends of described first radiation arm (e4) are provided with primary radiation arm (e6), described primary radiation arm (e6) away from the first radiation arm (e4) while extending second linking arm (e72) of the first linking arm (e71) and the rectangle having L-shaped, the free end extension of described second linking arm (e72) is provided with rectangular radiation arm (e75), described first linking arm (e71) is extended to the second linking arm (e72) a transverse arm (e73), and described transverse arm (e73) downwardly extends out tooth arm (e74) multiple, that be set up in parallel；Described first linking arm (e71) also downwardly extends out the spill arm (e8) of a concave shape, and two sides of described spill arm (e8) are extended with T-bar (e81) respectively to centre；Described primary radiation arm (e6) is provided with the flow-disturbing unit organizing spread configuration more, and each flow-disturbing unit includes the T-shaped breach (e61) that both direction is oppositely arranged.

A kind of router antenna being provided with cage ring arm the most according to claim 2, it is characterized in that: the quantity of described tooth arm (e74) is N number of, and the quantity of described flow-disturbing unit is K, a length of S of described T-bar (e81), the live width of described concave shape arm is L, then S=0.5N*L+0.5K*L.

A kind of router antenna being provided with cage ring arm the most according to claim 2, it is characterised in that: the quantity of described tooth arm (e74) is 15-18.

A kind of router antenna being provided with cage ring arm the most according to claim 2, it is characterised in that: four angles of feed tab (e2) are fillet.

A kind of router antenna being provided with cage ring arm the most according to claim 2, it is characterised in that: it is provided with rectangle parasitism oscillator arms (e5) in the first radiation arm (e4).