CN217691650U

CN217691650U - Broadband built-in antenna in double-LOOP wiring form

Info

Publication number: CN217691650U
Application number: CN202221869337.2U
Authority: CN
Inventors: 段建敏
Original assignee: Signal Plus Technology Co ltd
Current assignee: Signal Plus Technology Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-10-28
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a broadband built-in antenna with double LOOP wiring form in the technical field of antenna, which comprises an LOOP antenna main body, a single-feed double-ground wiring, a first LOOP LOOP and a second LOOP LOOP; and the elastic feet comprise a middle feed point, a right foot and a left foot. Forming a small LOOP LOOP two routing in the LOOP LOOP one, wherein the left foot routing is used as a parasitic arm to meet high frequency; the utility model discloses a two LOOP walk its antenna area of wide band built-in antenna of line form is less relatively, walks line make full use of support surface, through walk the line inside at the LOOP antenna and walk line coupling formation wave form with the outside, control gap size with walk line width, length adjustment wave form bandwidth and return loss.

Description

Broadband built-in antenna in double-LOOP wiring form

Technical Field

The utility model relates to an antenna technology field specifically is a two LOOP walk wide band built-in antenna of line form.

Background

With the continuous development of communication technology, the requirements of users on the performance, function and appearance of products are higher and higher, and at present, the market demands wider low frequencies, for example, 700MHz to 960MHz, and the bandwidth of the low frequency using the LOOP form can be obviously increased, and can basically cover the frequency band with the requirements. However, the product has requirements in the medium-high frequency, and the medium-high frequency of the general LOOP routing is poor, so that all requirements of the medium-high frequency of the product cannot be met. Based on this, the utility model designs a two LOOP walk wide band built-in antenna of line form to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a broadband built-in antenna of line form is walked to two LOOPs to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a broadband internal antenna in the form of dual LOOP traces comprises:

the LOOP antenna main body is a single-feed double-ground wiring and comprises a first LOOP LOOP and a second LOOP LOOP;

the elastic feet comprise a middle feed point, a right foot and a left foot, and the middle feed point sends out a LOOP to enter the right foot; for adjusting the low frequency;

a wire is led out from one end of the connection point of the middle feed point and is connected with two ends of the connection point of the right foot margin, and a small second LOOP wire is formed inside the first LOOP wire and is used for controlling the intermediate frequency;

the left foot routing is used as a parasitic arm, and high frequency is met.

Preferably, the bandwidth and waveform depth of the low frequency are adjusted by the width and length of the antenna.

Preferably, the low-frequency wide band is 700MHz to 960MHz.

Preferably, the width, length and slot of the antenna are coupled with the surrounding loop to control the bandwidth and waveform depth of the intermediate frequency.

Preferably, the wide frequency band of the intermediate frequency is 1710MHz to 2170MHz.

Preferably, the high frequency broadband is 2300MHz to 2700MHz.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a two LOOP walk its antenna area of wide band built-in antenna of line form is less relatively, walks line make full use of support surface, through walk the line inside at the LOOP antenna and walk line coupling formation wave form with the outside, control gap size with walk line width, length adjustment wave form bandwidth and return loss.

The requirement of wider low frequency can be met under the limited area, and simultaneously the performance requirement of the product can be met at the middle and high frequency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of the broadband internal antenna structure of the dual LOOP routing type of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

01-LOOP antenna main body, 02-middle feed point, 03-right foot, 04-left foot, 05-first connecting point, 06-second connecting point, 07-LOOP LOOP I and 08-LOOP LOOP II.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: in order to meet the requirements of an LTE wide frequency band (700 MHz-960 MHz, 1710 MHz-2700 MHz), a broadband built-in antenna in a double LOOP wiring mode is designed. The LOOP antenna comprises a LOOP antenna body 01 with single feed and double ground routing and three elastic pins. The LOOP antenna main body 01 comprises a LOOP circuit I07 and a LOOP circuit II 08, and the elastic foot comprises a middle feed point 02, a right foot 03 and a left foot 04.

The specific frequency Band of LTE is Band1/3/5/7/8/20/38/40/41. The antenna starts from the three elastic foot middle feed points 02, an LOOP LOOP I07 enters a right side foot 03, and the bandwidth and the waveform depth of a low frequency are adjusted through the width and the length of the antenna. On the basis, a line is taken out from the end of a connecting point I05 in the LOOP and is finally connected with the end of a connecting point II 06 of a right ground foot 03, a small LOOP LOOP II 08 routing is formed in the LOOP LOOP I07, and the bandwidth and the waveform depth of the intermediate frequency (1710 MHz-2170 MHz) are controlled by coupling the width, the length and the gap of the routing with the peripheral LOOP. The left foot margin 04 goes out a line to be used as a parasitic arm, and the requirement of high frequency (2300 MHz-2700 MHz) is met.

The average efficiency of the LTE antenna is 35%, and the LTE antenna is used as an independent support and fixed in equipment through a structure, so that the performance index requirement is met.

A broadband built-in antenna in a double-LOOP wiring mode can be loaded in a mobile terminal, and the mobile terminal comprises at least one of a mobile phone, a tablet computer, a personal digital assistant and a vehicle-mounted computer.

In particular, the mobile terminal may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palm computer, a personal digital assistant, a vehicle-mounted computer, a portable media player, a navigation device, a wearable device, a smart band, a pedometer, and the like.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A broadband internal antenna in the form of dual LOOP routing comprises:

the LOOP antenna main body (01) is a single-feed dual-ground wiring and comprises a LOOP LOOP I (07) and a LOOP LOOP II (08);

the elastic foot comprises a middle feed point (02), a right foot (03) and a left foot (04), and the middle feed point (02) starts to go out to a LOOP LOOP I (07) and then goes into the right foot (03); for adjusting the low frequency;

an outgoing line is connected with a second (06) connecting point end of a right side foot (03) from a first (05) connecting point end of a middle feed point (02), and a small second LOOP (08) routing is formed inside a first LOOP (07) and is used for controlling intermediate frequency;

the left foot (04) is wired as the parasitic arm, and high frequency is met.

2. The broadband internal antenna in the form of dual LOOP routing of claim 1, wherein: the bandwidth and the waveform depth of the low frequency are adjusted by the width and the length of the antenna.

3. The broadband internal antenna in the form of dual LOOP routing of claim 1, wherein: the low frequency wide frequency band is 700 MHz-960 MHz.

4. The broadband internal antenna in the form of dual LOOP routing of claim 1, wherein: the bandwidth and the wave form depth of the intermediate frequency are controlled by the width, the length and the coupling of the slot of the antenna and the peripheral loop.

5. The broadband internal antenna in the form of dual LOOP routing of claim 1, wherein: the wide frequency range of the intermediate frequency is 1710MHz to 2170MHz.

6. The broadband internal antenna in the form of dual LOOP routing of claim 1, wherein: the high-frequency wide frequency band is 2300 MHz-2700 MHz.