CN208706856U

CN208706856U - A kind of dual-band and dual-feed compact antenna structure

Info

Publication number: CN208706856U
Application number: CN201821586251.2U
Authority: CN
Inventors: 徐鹏飞
Original assignee: Shenzhen Sunway Communication Co Ltd
Current assignee: Shenzhen Sunway Communication Co Ltd
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2019-04-05
Anticipated expiration: 2028-09-28

Abstract

The utility model discloses a kind of dual-band and dual-feed compact antenna structures, it includes substrate, the front of the substrate is equipped with the first portion PCB, first minor matters and the first current feed department, first portion PCB is close to one end of the substrate, first current feed department is connected between the first portion PCB and the first minor matters, another extreme direction of first minor matters from first current feed department to the substrate extends, and first minor matters are by repeatedly bending, the back side of the substrate is equipped with the 2nd portion PCB, second minor matters, third minor matters and the second current feed department, second current feed department is connected between the 2nd portion PCB and second minor matters, the third minor matters are L-shaped, and one end of the third minor matters is connected with the 2nd portion PCB, second minor matters are located at the 2nd portion PCB and are formed with third minor matters Recess in.The utility model has the characteristics that compact, saves space, easily fabricated, function admirable.

Description

A kind of dual-band and dual-feed compact antenna structure

Technical field

The utility model relates to antenna more particularly to a kind of dual-band and dual-feed compact antenna structures.

Background technique

With the rise of SUB6GHz and 5G, the concept of all things on earth interconnection has been formed.Mobile terminal device increasingly towards Miniaturization, intelligent development, this is also the developing direction of consumer electronics product instantly.It is sent out according to mobile terminal product instantly Exhibition, keep for antenna space can smaller and smaller, antenna working environment can worse and worse, nearby have more be lost devices Part, these are very big challenges for Antenna Design.It can be seen that lack in the prior art a kind of compact, save it is empty Between, easily fabricated, function admirable mobile terminal antenna.

Utility model content

The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of compact, section Save space, easily fabricated, function admirable dual-band and dual-feed compact antenna structure.

In order to solve the above technical problems, the utility model adopts the following technical solution.

A kind of dual-band and dual-feed compact antenna structure comprising have a substrate, the front of the substrate is equipped with the first portion PCB, the One minor matters and the first current feed department, the first portion PCB are connected to first close to one end of the substrate, first current feed department Between the portion PCB and the first minor matters, another extreme direction of first minor matters from first current feed department to the substrate extends, and First minor matters are equipped with the 2nd portion PCB, the second minor matters, third minor matters and second by repeatedly bending, the back side of the substrate Current feed department, second current feed department are connected between the 2nd portion PCB and second minor matters, and the third minor matters are in " L " Shape, and one end of the third minor matters is connected with the 2nd portion PCB, second minor matters are located at the 2nd portion PCB and third Minor matters are formed by recess.

Preferably, the rectangular shape of bending part of first minor matters.

Preferably, the 2nd portion PCB is aligned with the first portion PCB.

Preferably, the size of the substrate is 41mm*10mm.

Preferably, the substrate is plastic plate or FR4 plate of material.

Preferably, first minor matters, the second minor matters and third minor matters are that FPC material, LDS material or PCB cover copper.

In dual-band and dual-feed compact antenna structure disclosed by the utility model, the first current feed department forms resonance with the first minor matters and is The 2.4GHz antenna element of 2400MHz~2500MHz, the second current feed department and the second minor matters and third minor matters formed 5150MHz~ The 5GHz antenna element of 5850MHz.The utility model is effectively reduced using in such a way that antenna minor matters are laid in substrate both sides Antenna volume saves space, can be designed in narrow space using double-fed, so that antenna is sent out in relevant work frequency range Shoot excellent performance.The utility model antenna structure pass through actual test, S11 characteristic, efficiency at 2.4 ghz, and S22 characteristic, efficiency at 5GHz are all satisfied application demand, are suitble to promote and apply in small size antenna field.

Detailed description of the invention

Fig. 1 is the Facad structure figure of the utility model antenna structure.

Fig. 2 is the backside structure figure of the utility model antenna structure.

Fig. 3 is that the utility model antenna structure works in the S11 curve graph under 2.4GHz.

Fig. 4 is that the utility model antenna structure works in the efficiency curve diagram under 2.4GHz.

Fig. 5 is that the utility model antenna structure works in the S22 curve graph under 5GHz.

Fig. 6 is that the utility model antenna structure works in the efficiency curve diagram under 5GHz.

Specific embodiment

The utility model is described in more detail with reference to the accompanying drawings and examples.

The utility model discloses a kind of dual-band and dual-feed compact antenna structures, referring to figs. 1 and 2 comprising have base The front of plate 1, the substrate 1 is equipped with the first portion PCB 2, the first minor matters 3 and the first current feed department 4, and the first portion PCB 2 is close to institute State one end of substrate 1, first current feed department 4 is connected between the first portion PCB 2 and the first minor matters 3, first minor matters 3 by First current feed department 4 extends to another extreme direction of the substrate 1, and first minor matters 3 are by repeatedly bending, the base The back side of plate 1 is equipped with the 2nd portion PCB 5, the second minor matters 6, third minor matters 7 and the second current feed department 8, and second current feed department 8 connects Between the 2nd portion PCB 5 and second minor matters 6, the third minor matters 7 are L-shaped, and the one of the third minor matters 7 End is connected with the 2nd portion PCB 5, and second minor matters 6 are located at the 2nd portion PCB 5 and are formed by recess with third minor matters 7 It is interior.

In above-mentioned dual-band and dual-feed compact antenna structure, the first current feed department 4 and the first minor matters 3 formed resonance be 2400MHz~ The 2.4GHz antenna element of 2500MHz, the second current feed department 8 and the second minor matters 6 and third minor matters 7 form 5150MHz~5850MHz 5GHz antenna element.The utility model effectively reduces antenna using in such a way that antenna minor matters are laid in 1 both sides of substrate Volume saves space, can narrow space using double-fed design so that antenna played in relevant work frequency range it is excellent Good performance.In conjunction with shown in Fig. 3 to Fig. 5, the utility model antenna structure passes through actual test, and S11 at 2.4 ghz is special Property, efficiency, and S22 characteristic, efficiency at 5GHz is all satisfied application demand, is suitble to promote and apply in small size antenna field.

In the present embodiment, the rectangular shape of bending part of first minor matters 3.Wherein, the first minor matters 3 are by having 3 right angles Rectangular-shaped minor matters composition, for third minor matters 7 by forming with the L shape shape minor matters at 1 right angle, the second minor matters 6 are rectangular shape. This structure setting can further reduce antenna size, Jin Ershi on the basis of meeting 2.4GHz, 5GHz application demand Existing Miniaturization Design.

In the present embodiment, the 2nd portion PCB 5 is aligned with the first portion PCB 2.

The size of the substrate 1 is 41mm*10mm as a preferred method,.

It is selected about material, in the present embodiment, the substrate 1 is plastic plate or FR4 plate of material.First minor matters 3, Second minor matters 6 and third minor matters 7 are that FPC material, LDS material or PCB cover copper.

Dual-band and dual-feed compact antenna structure disclosed by the utility model, from the antenna environment of physical end equipment, It realizes dual-band and dual-feed small size antenna function, occupies little space, can be applied to such as intelligent sound box, household, box, router eventually End equipment, practicability are stronger.Meanwhile the utility model designs for dual-band and dual-feed, function admirable, can make the web experience of user More quickly, in addition, the utility model design is simple, production cost is very low, is suitble to promote and apply in small size antenna field, and have There is preferable application prospect.

The above is the utility model preferred embodiment, is not intended to limit the utility model, all practical at this Modification, equivalent replacement or the improvement etc. made in novel technical scope, should be included in the model that the utility model is protected In enclosing.

Claims

1. a kind of dual-band and dual-feed compact antenna structure, which is characterized in that include substrate (1), the front of the substrate (1) is equipped with First portion PCB (2), the first minor matters (3) and the first current feed department (4), the one of the first portion PCB (2) close the substrate (1) End, first current feed department (4) are connected between the first portion PCB (2) and the first minor matters (3), and first minor matters (3) are by described Another extreme direction of first current feed department (4) Xiang Suoshu substrate (1) extends, and first minor matters (3) are by repeatedly bending, described The back side of substrate (1) be equipped with the 2nd portion PCB (5), the second minor matters (6), third minor matters (7) and the second current feed department (8), described second Current feed department (8) is connected between the 2nd portion PCB (5) and second minor matters (6), and the third minor matters (7) are L-shaped, And one end of the third minor matters (7) is connected with the 2nd portion PCB (5), second minor matters (6) are located at the 2nd portion PCB (5) it is formed by recess with third minor matters (7).

2. dual-band and dual-feed compact antenna structure as described in claim 1, which is characterized in that the bending of first minor matters (3) The rectangular shape in portion.

3. dual-band and dual-feed compact antenna structure as described in claim 1, which is characterized in that the 2nd portion PCB (5) with it is described The alignment of first portion PCB (2).

4. dual-band and dual-feed compact antenna structure as described in claim 1, which is characterized in that the size of the substrate (1) is 41mm*10mm。

5. dual-band and dual-feed compact antenna structure as described in claim 1, which is characterized in that the substrate (1) be plastic plate or Person's FR4 plate of material.

6. dual-band and dual-feed compact antenna structure as described in claim 1, which is characterized in that first minor matters (3), second Section (6) and third minor matters (7) are that FPC material, LDS material or PCB cover copper.