CN219874037U

CN219874037U - Miniaturized multi-band LTE bracket antenna

Info

Publication number: CN219874037U
Application number: CN202320748678.2U
Authority: CN
Inventors: 汪万伦
Original assignee: Signal Plus Technology Co ltd
Current assignee: Signal Plus Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-10-20
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a miniaturized multi-band LTE bracket antenna, which comprises an antenna component, a bracket, a machine main board, a built-in battery, a shell component and a main board extension ground, wherein the antenna component is connected with the bracket; the antenna component is connected to the bracket, the built-in battery is electrically connected with the machine main board, one side of the main board extending ground is connected to the bottom surface of the machine main board, the other side of the main board extending ground is arranged at the bottom of the built-in battery, and the antenna component, the bracket, the machine main board, the built-in battery and the main board extending ground are all arranged in the shell component; by providing the motherboard to lengthen the ground, the appearance can be reduced while meeting the low frequency bandwidth and performance requirements of the antenna.

Description

Miniaturized multi-band LTE bracket antenna

Technical Field

The utility model relates to the technical field of bracket antennas, in particular to a miniaturized multi-band LTE bracket antenna.

Background

With the continuous development of communication technology, the requirements of users on the performance, functions and appearance of products are higher and higher, and the product size tends to be miniaturized. At present, the external dimensions of the low intermediate frequency LTE bracket antenna (698 MHz-787MHz,1710MHz-2170 MHz) are large, because the low frequency bandwidth and performance requirements of the antenna are met. If the appearance is changed to be small, the bandwidth is limited, and the performance is difficult to meet the requirements of clients; however, if the bandwidth and performance of the antenna are to be increased, the size and appearance of the antenna will be very large.

Disclosure of Invention

The utility model aims to provide a miniaturized multi-band LTE bracket antenna, which solves the problems of severe environment, small space, low height and the like.

The utility model solves the technical problems by adopting the following technical scheme: a miniaturized multi-band LTE bracket antenna comprises an antenna component, a bracket, a machine main board, a built-in battery, a shell component and a main board extension ground;

the antenna component is connected to the support, the machine main board passes through the support and is connected with the antenna component in a contact way, the built-in battery is electrically connected with the machine main board, one side of the main board is connected to the bottom surface of the machine main board in an extending way, the other side of the main board is arranged at the bottom of the built-in battery, and the antenna component, the support, the machine main board, the built-in battery and the main board are all installed in the shell component in an extending way.

Optionally, the antenna component includes antenna, a plurality of locating hole, antenna feed point, the antenna adopts FPC form of taking turns to form the antenna board, the locating hole sets up on the antenna board, the antenna feed point is connected on the antenna board is close machine mainboard one side, the antenna adopts the monopole form antenna, the antenna paste is connected on the support surface, the antenna feed point sets up in the support.

Optionally, be equipped with a plurality of reference columns on the support, reference column position and locating hole position cooperation setting, be equipped with the draw-in groove in the support near machine mainboard position department, the draw-in groove sets up with the machine mainboard cooperation, the machine mainboard passes through draw-in groove and leg joint.

Optionally, the machine mainboard includes the machine mainboard body, sets up in the antenna bullet foot of being close to the antenna board of machine mainboard side, connects the platelet on the machine mainboard bottom surface, the antenna bullet foot passes the draw-in groove and feeds the point contact with the antenna and be connected, the mainboard is connected on the platelet with extension.

Optionally, the mainboard adopts the copper sheet with extension, mainboard extension ground passes through the cotton extrusion connection of conductive bubble with the platelet, mainboard extension ground is to built-in battery one side extension, mainboard extension ground extension part sets up in built-in battery below.

Optionally, the shell member includes upper casing, inferior valve, the upper casing passes through screw connection on the inferior valve, be equipped with the battery jar in the inferior valve.

Optionally, the extension part of the mainboard with built-in battery is pasted on the battery jar tank bottom in extension, built-in battery passes through the battery jar to be connected on the inferior valve, support, machine mainboard are all connected in the inside corresponding position department of inferior valve.

Optionally, the antenna board is 78.17mm by 28.25mm to 78.86mm by 28.27mm, and the bracket is 42.2mm by 9.8mm by 12.1mm.

The utility model has the following beneficial effects:

1. the utility model can increase the ground by arranging the main board in an extended way, and can change the appearance to be small while meeting the low-frequency bandwidth and performance requirements of the antenna;

2. the utility model adopts the monopole antenna to extend the main board which is matched and arranged in the FPC wiring form, so that the area of the board is small, the height is low, and the efficiency is higher;

3. the utility model can widen the low-frequency bandwidth, improve the low-frequency efficiency and improve the low-frequency transmitting power while reducing the size of the main board; because of good grounding, noise is grounded from the shortest path, so that the sensitivity is improved, the structure is simple, the production is easy, and the anti-interference device has good anti-interference performance and applicability to various environments.

Drawings

FIG. 1 is an exploded view of the present utility model;

fig. 2 is a cross-sectional view of an antenna member of the present utility model;

FIG. 3 is a schematic view of the structure of the bracket of the present utility model;

FIG. 4 is a front view of the bracket of the present utility model;

FIG. 5 is an exploded view of the main board of the machine of the present utility model;

the labels in the figures are: 1-an antenna component; 2-a bracket; 3-a machine main board; 4-built-in battery; 6-motherboard extension; 11-an antenna board; 12-positioning holes; 13-antenna feed point; 21-positioning columns; 22-clamping grooves; 31-antenna spring legs; 32-platelets; 51-upper shell; 52-a lower shell; 521-battery jar.

Detailed Description

The technical scheme of the utility model is further described below with reference to the embodiment and the attached drawings.

Example 1

The embodiment provides a miniaturized multi-band LTE bracket antenna, which comprises an antenna component 1, a bracket 2, a machine main board 3, a built-in battery 4, a shell component and a main board extension ground 6;

the antenna component 1 is connected to the inner side of the support 2, the machine main board 3 passes through the support 2 to be in contact connection with the antenna component 1, the built-in battery 4 is electrically connected with the machine main board 3, one side of the main board extension ground 6 is connected to the bottom surface of the machine main board 3, the other side of the main board extension ground 6 is arranged at the bottom of the built-in battery 4, and the antenna component 1, the support 2, the machine main board 3, the built-in battery 4 and the main board extension ground 6 are all arranged in the shell component.

The ground is enlarged by arranging the main board extension ground 6, so that the miniaturized multi-band LTE bracket antenna can be changed into small overall appearance while meeting the low-frequency bandwidth and performance requirements of the antenna.

Further implementation manner of this embodiment, the antenna component 1 includes an antenna, a plurality of positioning holes 12, and an antenna feeding point 13, where the antenna forms an antenna board 11 by using an FPC trace, the positioning holes 12 are disposed on the antenna board 11, the antenna feeding point 13 is connected to a side of the antenna board 11 close to the machine main board 3, the antenna adopts a monopole antenna, the antenna is attached to a surface of a support, and the antenna feeding point is disposed in the support.

The antenna adopts a monopole antenna to form a main board extension ground 6 matched with an antenna board 11 in a Flexible Printed Circuit (FPC) wire form, so that the area of the board is small, the height is low, the efficiency is high, the receiving sensitivity of the whole machine can be improved, the structure is simple, the production is easy, and the anti-interference performance and the applicability to various environments are good; the number of the positioning holes 12 in the present embodiment is set to three.

In a further implementation manner of this embodiment, the support 2 is provided with a plurality of positioning columns 21, the positions of the positioning columns 21 are matched with the positions of the positioning holes 12, a clamping groove 22 is formed in the position, close to the machine main board 3, of the support 2, the clamping groove 22 is matched with the machine main board 3, and the machine main board 3 is connected with the support 2 through the clamping groove 22; the number of the positioning posts 21 is the same as the number of the positioning holes 12.

In a further implementation manner of this embodiment, the machine motherboard 3 includes a machine motherboard body 3, an antenna pin 31 disposed on a side surface of the machine motherboard 3 and close to the antenna board 11, and a small board 32 connected to a bottom surface of the machine motherboard 3, where the antenna pin 32 passes through the slot 22 and is connected to the antenna feed point 13 in a contact manner, and the motherboard extender 6 is connected to the small board 32.

The surface of the antenna board 11 is provided with a positioning hole 12, a positioning column 21 is arranged on the bracket 2 to attach the antenna board 11 with the FPC antenna wire to the bracket 2, and a clamping groove 22 is arranged in the bracket 2 and is used for being inserted into the machine main board 3 to enable the antenna feed point 13 to be fully contacted with the antenna spring pins 31.

In a further implementation manner of this embodiment, the motherboard extender 6 is a copper sheet, the motherboard extender 6 is connected with the small board 32 by extrusion of conductive foam, the motherboard extender 6 extends to one side of the internal battery 4, and an extension part of the motherboard extender 6 is disposed below the internal battery 4.

In a further implementation manner of the present embodiment, the housing member includes an upper case 51 and a lower case 52, the upper case 51 is connected to the lower case 52 by a screw, and a battery case 521 is provided in the lower case 52.

In a further embodiment of the present embodiment, the extended portion of the main board 6 is attached to the bottom of the battery slot 521, the internal battery 4 is connected to the lower case 52 through the battery slot 521, and the bracket 2 and the machine main board 3 are both connected to corresponding positions inside the lower case 52.

On the left side of the machine main board 3 is a built-in battery 4, and the built-in battery 4 is placed in a battery groove 521 of the lower case 52. The extension end of the main board extension ground 6, namely the copper sheet in the direction of the built-in battery 4 is attached to the battery groove 521 and is arranged below the built-in battery 4, and the connection position of the main board extension ground 6 and the machine main board 3 is connected by extrusion of conductive foam; the upper case 51 and the lower case 52 are assembled and connected by screwing.

In a further implementation manner of this embodiment, the dimensions of the antenna board 11 are 78.17mm by 28.25mm to 78.86mm by 28.27mm, and the dimensions of the bracket 2 are 42.2mm by 9.8mm by 12.1mm.

The sequence of the above embodiments is only for convenience of description, and does not represent the advantages and disadvantages of the embodiments.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The miniaturized multi-band LTE bracket antenna is characterized by comprising an antenna component, a bracket, a machine main board, a built-in battery, a shell component and a main board extension ground;

2. The miniaturized multi-band LTE bracket antenna of claim 1 wherein the antenna means includes an antenna, a plurality of positioning holes, an antenna feed point, the antenna forming an antenna board with FPC traces, the positioning holes being provided on the antenna board, the antenna feed point being connected to the antenna board on a side closer to the machine motherboard, the antenna being in the form of a monopole, the antenna being adhesively connected to the bracket surface, the antenna feed point being provided in the bracket.

3. The miniaturized multi-band LTE bracket antenna of claim 2 wherein the bracket has a plurality of positioning posts, the positioning posts are positioned to cooperate with the positioning holes, the bracket has a slot positioned near the main board of the machine, the slot cooperates with the main board of the machine, and the main board of the machine is connected to the bracket by the slot.

4. A miniaturized multi-band LTE bracket antenna according to claim 3 wherein the machine motherboard comprises a machine motherboard body, antenna pins disposed on the side of the machine motherboard near the antenna board, and a small board connected to the bottom of the machine motherboard, the antenna pins passing through the slots and being in contact with the antenna feed points, the motherboard being connected to the small board in an extended manner.

5. The miniaturized multi-band LTE bracket antenna of any one of claims 1-4 wherein the motherboard is elongated by a copper sheet, the motherboard is elongated and connected to the small board by conductive foam extrusion, the motherboard is elongated to the side of the built-in battery, and the motherboard elongated extension is disposed below the built-in battery.

6. The miniaturized multi-band LTE bracket antenna of claim 5 wherein the housing member comprises an upper housing and a lower housing, the upper housing being screwed to the lower housing, the lower housing having a battery compartment therein.

7. The miniaturized multi-band LTE bracket antenna of claim 6 wherein the extension of the motherboard is affixed to the bottom of the battery well, the built-in battery is connected to the lower case through the battery well, and the bracket and the machine motherboard are both connected at corresponding locations inside the lower case.

8. The miniaturized multi-band LTE bracket antenna of claim 5 wherein the antenna panel dimensions are 78.17mm by 28.25mm to 78.86mm by 28.27mm and the bracket dimensions are 42.2mm by 9.8mm by 12.1mm.