CN209982474U

CN209982474U - Diversity receiving module

Info

Publication number: CN209982474U
Application number: CN201920873349.4U
Authority: CN
Inventors: 杨卫平; 张文
Original assignee: Beijing Jun Mao Guo Xing Technology Co Ltd
Current assignee: Beijing Jun Mao Guo Xing Technology Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-01-21
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a diversity reception module, it relates to wireless communication technical field. The novel core-through capacitor comprises a box cover, a core-through capacitor, a connector, a PCB board card, a cavity and a fixing support, wherein the PCB board card is fixed on the cavity through screws, pins of the core-through capacitor and tail wires of the connector are welded on the PCB board card, a waterproof rubber ring is arranged in a groove at the edge of the cavity, the box cover is pressed on the waterproof rubber ring, and the fixing support is installed at the bottom of the cavity through screws. The utility model discloses small, the radiating effect is good, the reliability is high, improves mobile communication system's performance, improves the reliability under the multipath fading channel transmission greatly, is convenient for install and use on various communication equipment.

Description

Diversity receiving module

Technical Field

The utility model relates to a wireless communication technology field, concretely relates to diversity reception module.

Background

In the field of wireless communication at present, after a transmitted signal passes through propagation paths such as reflection and scattering, signals reaching a receiving end are often superposed by a plurality of signals with different amplitudes and phases, so that the amplitude of the received signal is changed randomly, and multipath fading is formed. The signal components of different paths have different propagation delays, phases, amplitudes and are added with channel noise, and their superposition causes the composite signals to cancel or enhance each other, resulting in severe fading.

In order to solve the above problems, it is particularly necessary to design a new diversity receiving module.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a diversity reception module, simple structure, reasonable in design improves mobile communication system's performance, improves reliability under the multipath fading channel transmission greatly, easily uses widely to exist on the prior art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a diversity reception module, includes lid, punching electric capacity, connector, PCB integrated circuit board, cavity, fixed bolster, and the PCB integrated circuit board passes through the fix with screw on the cavity, and the stitch of punching electric capacity, the tail-line welding of connector install the lid on the cavity on the PCB integrated circuit board, and there is the fixed bolster cavity bottom through the mounting screw.

Preferably, a waterproof rubber ring is arranged in the groove at the edge of the cavity, and the box cover is in compression joint with the waterproof rubber ring.

Preferably, the box cover, the cavity and the fixing support are all made of 6061 aluminum alloy, so that the box cover, the cavity and the fixing support are strong in oxidizability and corrosion resistance, high in strength and good in machinability.

Preferably, the surface of the box cover is provided with the radiating fins, so that the radiating problem of the internal chip is solved, and the overall height and weight of the module are reduced.

The utility model has the advantages that: the device adopts an integrated and modularized design structure, has small volume, good heat dissipation effect and high reliability, improves the performance of a mobile communication system, greatly improves the reliability under multipath fading channel transmission, is convenient to install and use on various communication devices, and has wide application prospect.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic plan view of the present invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a bottom view of FIG. 2;

fig. 5 is an assembly schematic diagram of the PCB board of the present invention;

fig. 6 is a schematic structural view of the box cover of the present invention;

fig. 7 is a schematic structural view of the cavity of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 7, the following technical solutions are adopted in the present embodiment: the utility model provides a diversity reception module, includes lid 1, punch-through electric capacity 2, connector 3, PCB integrated circuit board 4, cavity 5, fixed bolster 6, and PCB integrated circuit board 4 passes through the fix with screw on cavity 5, and the stitch of punch-through electric capacity 2, the tail-line welding of connector 3 install lid 1 on cavity 5 on PCB integrated circuit board 4, and there is fixed bolster 6 cavity 5 bottom through the mounting screw, seeks the mounted position in communication equipment after the convenient dismantlement.

It is worth noting that a waterproof rubber ring is arranged in a groove at the edge of the cavity 5, the box cover 1 is in compression joint with the waterproof rubber ring, the box cover 1 and the cavity 5 are sealed through silicon rubber, and the waterproof effect is good.

It is worth noting that the surface of the box cover 1 is provided with the radiating fins 7, so that the radiating problem of the internal chip is solved, and the overall height and weight of the module are reduced.

In addition, the box cover 1, the cavity 5 and the fixing support 6 are all formed by machining a numerical control machine, and are made of 6061 aluminum alloy, so that the receiving module is strong in oxidability and corrosion resistance, high in strength and good in machinability, and the whole size of the receiving module is 191mm multiplied by 175mm multiplied by 22.5 mm.

The installation process of the specific embodiment is as follows:

(1) the PCB board 4 is installed in the cavity 5 and is fastened by a fixing screw, and the welding pins of the through-core capacitor 2, the tail wire of the connector 3 and the welding disc of the PCB board 4 are firmly welded by an electric iron;

(2) the waterproof rubber ring is pressed into a groove at the edge of the cavity 5 to play a waterproof effect, the box cover 1 is arranged on the cavity 5, the waterproof rubber ring is compressed and is fastened by a fixing screw;

(3) the fixing bracket 6 is mounted on the cavity 5 and fastened with fixing screws.

The integrated modular design structure is adopted in the specific implementation mode, all parts are convenient to disassemble and assemble, the PCB board card in the module uses an integrated chip, the board card is small in size, low in power consumption and good in heat dissipation effect, has the characteristics of miniaturization, high gain and impact resistance, can increase effective fading reserve of a system, solves the influence of signal fading in a communication environment, namely enhances the capability of resisting frequency selective fading, can improve in-band distortion to different degrees, improves the cross polarization discrimination degree, and greatly improves the reliability under multipath fading channel transmission. The diversity receiving module improves the performance of a mobile communication system, is convenient to install and use on various communication devices, is used for receiving radio signals, can reduce signal deep fading, improves receiving sensitivity and has wide market application prospect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a diversity reception module, its characterized in that, including lid (1), wear core electric capacity (2), connector (3), PCB integrated circuit board (4), cavity (5), fixed bolster (6), PCB integrated circuit board (4) are fixed on cavity (5) through the screw, and the stitch of wearing core electric capacity (2), the tail-wire welding of connector (3) are on PCB integrated circuit board (4), install lid (1) on cavity (5), and there is fixed bolster (6) cavity (5) bottom through the mounting screw.

2. A diversity receiving module according to claim 1, characterized in that a waterproof rubber ring is arranged in a groove at the edge of the cavity (5), and the box cover (1) is pressed on the waterproof rubber ring.

3. The diversity receiving module according to claim 1, wherein the box cover (1) is a 6061 aluminum alloy box cover, the cavity (5) is a 6061 aluminum alloy cavity, and the fixing support (6) is a 6061 aluminum alloy support.

4. A diversity receiving module according to claim 1, characterized in that the surface of the box cover (1) is provided with cooling fins (7).