CN203721885U

CN203721885U - 4DBI WLAN antenna

Info

Publication number: CN203721885U
Application number: CN201420047232.8U
Authority: CN
Inventors: 周兰枚
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-24
Filing date: 2014-01-24
Publication date: 2014-07-16
Anticipated expiration: 2024-01-24

Abstract

The utility model discloses a 4DBI WLAN antenna, which comprises a plastic component, an RF cable, a circuit board and a metal wire, wherein the RF cable is inserted from one end of the plastic component and is connected with the circuit board, the same side surface of the circuit board is provided with a ''U''-shaped first radiation paster and an ''W''-shaped second radiation paster, the first radiation paster and the second radiation paster are connected through the RF cable, a tail end welding pad is extensionally connected with the metal wire, the tail end of the metal wire is provided with a ''V''-shaped bending structure, and an outgoing type antenna or an SMA connector type antenna is integrally formed by the plastic component, the RF cable, the circuit board and the metal wire. The traditional 4DBI gain antenna is improved, so that the 4DBI WLAN antenna achieves the purposes of facilitating processing and installation, simplifying the structure and reducing the cost.

Description

The WLAN antenna of a kind of 4DBI

Technical field

This practicality relates to wireless antenna technical field, relates in particular to the WLAN antenna of a kind of 4DBI.

Background technology

Antenna is a kind of electromagnetic parts that are used for launching or receiving in wireless device, and its is transformed into guided wave of transmission above-the-line promotion the electromagnetic wave of propagating in unbounded medium (normally free space), or carries out contrary conversion.Antenna is widely used in the engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasures, remote sensing, radio astronomy.

The WLAN antenna structure of current 4DBI as shown in Figure 1, generally by lower fixed frame (101), upper holder (102), plastic parts (103) and ground pipe (104), heat-shrinkable T bush (105) and the solid post (106) be located in plastic parts (103), formed, in plastic parts (107), be also provided with wire (107) and foam (108), more complicated on this antenna structure, cause production and assembling process cumbersome, thereby make whole antenna cost increase.

Utility model content

The purpose of this utility model is to provide the WLAN antenna of a kind of 4DBI, have advantages of simple in structure, easy to assembly, cost is low.

For achieving the above object, the technical scheme that the utility model provides is: the WLAN antenna that a kind of 4DBI is provided, comprise plastic parts, radio frequency cable, circuit board and wire, described radio frequency cable inserts and is connected with circuit board from one end of plastic parts, the same side of described circuit board is provided with the first radiation subsides that are " U " shape and the second radiation patch that is " mountain " shape, the bottom of described the first radiation patch is provided with ground pad, the middle paster two ends of described the second radiation patch are provided with feedback point pad and tail end pad, described radio frequency cable braiding end joins with described ground pad, between described feedback point pad and ground pad, by radio frequency cable conductor end, connect, described tail end pad extension connection metal silk, described wire tail end has V-shaped bending structure, described plastic parts, radio frequency cable, circuit board and wire whole formation line-outgoing type antenna or sub-miniature A connector formula antenna.

The bottom of described plastic parts is also fixed with upper holder and lower fixed frame, and fixed frame and lower fixed frame are fixed by rivet, and described lower fixed frame can bend rotation along described rivet.

Described the first radiation patch (14) shortens coefficient for 1/4 wavelength of antenna frequencies is multiplied by medium, the tail end connection metal silk (16) of described the second radiation patch (15) shortens coefficient for 3/4 wavelength of antenna frequencies is multiplied by medium, form 3DBI gain antenna, the both sides paster of described the second radiation patch (15) forms 4DBI gain antenna for frequency match and gain stack, and 1/4 wavelength that described tail end pad (18) is antenna frequencies to the second radiation patch (15) both sides paster tail end is multiplied by medium and shortens coefficient.Wherein, described medium shortening coefficient is 0.1～1.0.

The beneficial effects of the utility model are, the circuit board of antenna is comprised of the second radiation patch that is first radiation patch of " U " shape and is " mountain " shape, use the first radiation patch to replace the ground pipe in traditional structure, use the second radiation patch to replace the solid post in traditional structure, saved the heat-shrinkable T bush in traditional structure, wire tail end is used V-shaped bending structure to replace foam, thereby convenient processing and installation reaches the object of simplified structure.

Accompanying drawing explanation

Fig. 1 is the structural representation of the WLAN antenna of traditional 4DBI;

Fig. 2 is the structural representation of the WLAN antenna of the utility model embodiment line-outgoing type 4DBI;

Fig. 3 is the structural representation of the WLAN antenna of the utility model embodiment radio-frequency joint formula 4DBI.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

Shown in figure 2-3, the utility model embodiment provides the WLAN antenna of a kind of 4DBI, comprise plastic parts (13), radio frequency cable (10), circuit board and wire (16), described radio frequency cable (10) inserts and is connected with circuit board from one end of plastic parts (13), the same side of described circuit board is provided with the first radiation patch (14) that is " U " shape and the second radiation patch (15) that is " mountain " shape, the bottom of described the first radiation patch (14) is provided with ground pad (19), the middle paster two ends of described the second radiation patch (15) are provided with feedback point pad (20) and tail end pad (18), described radio frequency cable braiding end (22) joins with described ground pad (19), between described feedback point pad (20) and ground pad (19), by radio frequency cable conductor end (21), connect, described tail end pad (18) extension connection metal silk (16), described wire (16) tail end has V-shaped bending structure (17), described plastic parts (13), radio frequency cable (10), circuit board and wire (16) whole formation line-outgoing type antenna or sub-miniature A connector formula antenna.

The bottom of above-mentioned plastic parts (16) is also fixed with upper holder (12) and lower fixed frame (11), fixed frame (12) and lower fixed frame (11) are fixed by rivet, and described lower fixed frame (11) can bend rotation along described rivet.

Above-mentioned the first radiation patch (14) shortens coefficient for 1/4 wavelength of antenna frequencies is multiplied by medium, the tail end connection metal silk (16) of described the second radiation patch (15) shortens coefficient for 3/4 wavelength of antenna frequencies is multiplied by medium, form 3DBI gain antenna, the both sides paster of described the second radiation patch (15) forms 4DBI gain antenna for frequency match and gain stack, 1/4 wavelength that described tail end pad (18) is antenna frequencies to the second radiation patch (15) both sides paster tail end is multiplied by medium and shortens coefficient, wherein, described medium shortening coefficient is 0.1～1.0.

In conjunction with Fig. 2 and Fig. 3, compare with the WLAN antenna of 4DBI traditional described in Fig. 1, the circuit board of antenna is comprised of the second radiation patch (15) that is first radiation patch (14) of " U " shape and is " mountain " shape, use the first radiation patch (14) to replace the ground pipe (104) in traditional structure, use the second radiation patch (15) to replace the solid post (106) in traditional structure, saved the heat-shrinkable T bush in traditional structure (105), wire tail end is used V-shaped bending structure (17) to replace foam (108), thereby convenient processing and installation, reaches the object of simplified structure.

The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.

Claims

1. the WLAN antenna of a 4DBI, it is characterized in that, comprise plastic parts (13), radio frequency cable (10), circuit board and wire (16), described radio frequency cable (10) inserts and is connected with circuit board from one end of plastic parts (13), the same side of described circuit board is provided with the first radiation patch (14) that is " U " shape and the second radiation patch (15) that is " mountain " shape, the bottom of described the first radiation patch (14) is provided with ground pad (19), the middle paster two ends of described the second radiation patch (15) are provided with feedback point pad (20) and tail end pad (18), described radio frequency cable braiding end (22) joins with described ground pad (19), between described feedback point pad (20) and ground pad (19), by radio frequency cable conductor end (21), connect, described tail end pad (18) extension connection metal silk (16), described wire (16) tail end has V-shaped bending structure (17), described plastic parts (13), radio frequency cable (10), circuit board and wire (16) whole formation line-outgoing type antenna or sub-miniature A connector formula antenna.

2. the WLAN antenna of a kind of 4DBI as claimed in claim 1, it is characterized in that, the bottom of described plastic parts (13) is also fixed with upper holder (12) and lower fixed frame (11), fixed frame (12) and lower fixed frame (11) are fixed by rivet, and described lower fixed frame (11) can bend rotation along described rivet.

3. the WLAN antenna of a kind of 4DBI as claimed in claim 1, it is characterized in that, described the first radiation patch (14) shortens coefficient for 1/4 wavelength of antenna frequencies is multiplied by medium, the tail end connection metal silk (16) of described the second radiation patch (15) shortens coefficient for 3/4 wavelength of antenna frequencies is multiplied by medium, form 3DBI gain antenna, the both sides paster of described the second radiation patch (15) forms 4DBI gain antenna for frequency match and gain stack, 1/4 wavelength that described tail end pad (18) is antenna frequencies to the second radiation patch (15) both sides paster tail end is multiplied by medium and shortens coefficient, wherein, it is 0.1～1.0 that described medium shortens coefficient.