CN212676440U

CN212676440U - Low-frequency transparent transmission type 5G combiner

Info

Publication number: CN212676440U
Application number: CN202021915712.3U
Authority: CN
Inventors: 李灵松
Original assignee: Nanjing Huamai Technology Co Ltd
Current assignee: Nanjing Huamai Technology Co Ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-03-09
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a low-frequency transparent transmission type 5G combiner, which comprises a first-stage combining part, a second-stage same-frequency combining part and a third-stage shunt transparent transmission part; the first-stage combining part is a two-unit 5G frequency band combiner, the second-stage same-frequency combining part is a 5G frequency band bridge, the third-stage shunting transparent transmission part is a two-in two-out combiner divider, and two output ends of the divider transparent transmission 2G, 3G and 4G system frequency bands. The beneficial effects of the utility model reside in that, adopt integration, miniaturized design, the one-level closes the way, and the second grade closes way and the seamless butt joint of tertiary way of closing, need not the cable connection, production convenient operation, the cost is lower.

Description

Low-frequency transparent transmission type 5G combiner

Technical Field

The utility model relates to a 5G combiner indicates a low frequency passes type 5G combiner thoroughly especially, belongs to a little

The field of wave radio frequency communication technology.

Background

Mobile communication has gone through 2G, 3G and 4G, and the construction of 5G systems is currently accelerating domestically. With the issue of national 5G license plates, the 5G system skips the trial operation in China and is directly used for business, and 2019 becomes the original year of 5G construction in China. The 5G network is laid in big cities such as Beijing, Zhengzhou and the like and is successfully applied, the transmission rate is higher under a 5G system, can reach 1.2GHz/s and is far higher than that of the previous 2G, 3G and 4G systems, the 5G network can be constructed and applied on a large scale under the support of big data and cloud computing, and the life of people is about to enter the internet of things era which is more convenient and rapid. The 5G communication system of construction, its transmission power and transmission rate are all bigger than traditional 2G, 3G, 4G system much, under the effective coverage distance, do not need to insert 2G sometimes between 5G basic station and the basic station, 3G, 4G main equipment, can reach better signal coverage, at this moment, the low-frequency signal (2G, 3G, 4G) below 5G need not to insert, only need pass through between two antennas, can reach the covering effect, namely only insert 5G equipment and possess the function of passing through the low-frequency signal at the same time, just can both satisfy 2G, 3G, 4G and 5G whole network signal coverage quality, practiced thrift 2G, 3G, 4G main equipment again, obtained more and more applications in the construction of national 5G system. The utility model discloses a low frequency passes through type 5G combiner, just in time be applied to this kind of 5G system construction's scene, insert simultaneously and remove, telecommunications and UNICOM 5G system signal, pass through 2G, 3G, 4G system frequency channel; the integrated and miniaturized design has the advantages of smaller loss, compact structure and high protection performance, meets the high isolation requirement of the same-frequency isolation of a 5G system below 30dB, reduces the bottom noise of a communication coverage system, reduces the interference among systems, and has important significance in the environment of vigorously building the 5G communication system in China.

Disclosure of Invention

The to-be-solved technical problem of the utility model is a type 5G combiner is passed thoroughly to low frequency, close the way part including the one-level, the second grade is closed the way part with the same frequency, and the tertiary shut passes the part thoroughly. The first-stage combining part is a two-unit 5G frequency band combiner, the second-stage same-frequency combining part is a 5G frequency band bridge, the third-stage shunting transparent transmission part is a two-in two-out combiner divider, and two output ends of the divider transparent transmission 2G, 3G and 4G system frequency bands.

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme: a low-frequency transparent transmission type 5G combiner comprises a first-stage combining part, a second-stage same-frequency combining part and a third-stage shunt transparent transmission part; the first-stage combining part is a two-unit 5G frequency band combiner, the second-stage same-frequency combining part is a 5G frequency band bridge, the third-stage shunting transparent transmission part is a two-in two-out combiner divider, and two output ends of the divider transparent transmission 2G, 3G and 4G system frequency bands.

As a preferred scheme, the transparent transmission part adopts a comb-shaped line structure, and the transparent transmission frequency band is 700-2400 MHz.

The beneficial effects of the utility model reside in that, adopt integration, miniaturized design, the one-level closes the way, and the second grade closes way and the seamless butt joint of tertiary way of closing, need not the cable connection, production convenient operation, the cost is lower.

Drawings

Fig. 1 is a front view of the cover removing plate of the present invention.

Wherein, the serial number 1 and the serial number 2 are a first-stage combining part; the serial number 3 is a second-stage same-frequency combining part, and the

serial numbers

4 and 5 are transmission paths of a third-stage shunt transparent transmission part; serial number 6 is the transparent transmission path of the three-stage shunt transparent transmission part; the sequence number 7 is the input end NR2.6G-1 of the first-stage combining part mobile 5G system, and the frequency band is 2515-2675 MHz; the serial number 8 is the input terminal NR3.5G-1 of the first-stage combining part telecommunication and communication 5G system, and the frequency band is 3300 and 3700 MHz; the sequence number 9 is the input terminal NR2.6G-2 of the first-stage combining part mobile 5G system, and the frequency band is 2515-2675 MHz; the serial number 10 is the input terminal NR3.5G-2 of the first-stage combining part telecommunication and communication 5G system, and the frequency band is 3300 and 3700 MHz;

serial numbers

11 and 12 are common output ports ANT1 and ANT2, and the passthrough band is transmitted between ANT1 and ANT 2.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A low-frequency transparent transmission type 5G combiner comprises a first-stage combining part, a second-stage same-frequency combining part and a third-stage shunt transparent transmission part.

As shown in fig. 1; the

serial numbers

1 and 2 are two double-unit 5G frequency band combiners of the first-stage combining part, namely combiners of a mobile 5G system (NR2.6G) and a telecom & Unicom 5G system (NR3.5G), the working frequency band of the NR2.6G system is 2515 + 2675MHz, and the working frequency band of the NR3.5g system is 3300 + 3700 MHz; the first combining unit is a unit combiner formed by NR2.6G-1 and NR3.5G-1, the second combining unit is a unit combiner formed by NR2.6G-2 and NR3.5G-2, and the two 5G system combiners form a double-unit structure. In the figure, the sequence number 7 is the input terminal NR2.6G-1 of the first-stage combining part mobile 5G system, and the frequency band is 2515 and 2675 MHz; the serial number 8 is the input terminal NR3.5G-1 of the first-stage combining part telecommunication and communication 5G system, and the frequency band is 3300 and 3700 MHz; the sequence number 9 is the input terminal NR2.6G-2 of the first-stage combining part mobile 5G system, and the frequency band is 2515-2675 MHz; the serial number 10 is the input terminal NR3.5G-2 of the first-stage combining part telecommunication and communication 5G system, and the frequency band is 3300 and 3700 MHz;

in the figure, the serial number 3 is a two-stage same-frequency combining part, which is a 5G frequency band bridge, and the working frequency band is 2500-3700 MHz. The 5G system unit combiner formed by combining the serial number 7 and the serial number 8 and the 5G unit combiner formed by combining the serial number 9 and the serial number 10 serve as two same-frequency input ends, namely two input ends of the second-stage bridge are output in two paths after being combined by the bridge, and then enter a third-stage shunt transparent transmission part.

In the figure, the

serial numbers

4 and 5 are transmission paths of three-stage shunt transparent transmission parts; serial number 6 is the transparent transmission path of the three-stage shunt transparent transmission part; the transmission path is designed in a coaxial cavity structure, and the transparent transmission path is designed in a comb line structure. The operating frequency of the transmission path is 2515-3700MHz, the operating frequency of the transparent transmission path is 700-2400MHz, and the transparent transmission band is transmitted between two common output ports ANT1 and ANT 2. Serial number 11 is a common output port ANT1, and serial number 12 is a common output port ANT 2.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model has the advantages that compared with other types of same-function combiners, two-stage cascade connection or three-stage cascade connection is adopted, the stages are connected through cables, the number of equipment parts is more, and the production and debugging are more complicated; the utility model discloses a type 5G combiner is passed thoroughly to low frequency adopts integration, miniaturized design, and the one-level closes the way, and the second grade closes way and the seamless butt joint of tertiary way of closing, need not the cable connection, production convenient operation, and the cost is lower.

Simultaneously accessing mobile, telecommunication and Unicom 5G system signals, and transparently transmitting 2G, 3G and 4G system frequency bands; the loss is less, compact structure, and barrier propterty is high, and satisfies the high isolation requirement below 5G system same frequency isolation 30dB, reduces the bottom noise of communication cover system, reduces intersystem interference.

Claims

1. A low-frequency transparent transmission type 5G combiner is characterized by comprising a first-stage combining part, a second-stage same-frequency combining part and a third-stage shunt transparent transmission part; the first-stage combining part is a two-unit 5G frequency band combiner, the second-stage same-frequency combining part is a 5G frequency band bridge, the third-stage shunting transparent transmission part is a two-in two-out combiner divider, and two output ends of the divider transparent transmission 2G, 3G and 4G system frequency bands.

2. The low-frequency transparent transmission type 5G combiner of claim 1, wherein the transparent transmission part adopts a comb-shaped line structure, and the transparent transmission frequency band is 700-2400 MHz.