CN202534760U

CN202534760U - Multi-frequency combiner

Info

Publication number: CN202534760U
Application number: CN2012201647015U
Authority: CN
Inventors: 万顺; 蒋海涛; 张家军
Original assignee: Shenzhen Guoren Communication Co Ltd
Current assignee: Shenzhen compatriots limited company that communicates by letter
Priority date: 2012-04-18
Filing date: 2012-04-18
Publication date: 2012-11-14
Anticipated expiration: 2022-04-18

Abstract

The utility model relates to a multi-frequency combiner. The multi-frequency combiner comprises a plurality of external side wall plates and two cover plates which form a cavity body, wherein the wall plates are provided with a CDMA signal input port (2), a GSM signal input port (3), a CDMA2000 signal input port (4), a WCDMA signal input port (5) and a combined signal output port ( 1); a plurality of inner cavities are correspondingly arranged inside the cavity body; each of the inner cavities which is connected with a corresponding signal input port and the combined signal output port is provided with a plurality of resonance columns which are distributed between the corresponding signal input port and the combined signal output port; and resonance windows are arranged between adjacent resonance columns of each inner cavity. The cavity body is divided into a first layer cavity body and a second layer cavity body by a partition plate, and the plurality of the inner cavities are respectively located in the first layer cavity body and the second layer cavity body. The multi-frequency combiner of the utility model can combine communication signals with a variety of frequencies and transmit the same together; and the multi-frequency combiner is advantaged in simplified installation and maintenance of communication equipment as well as reduced cost.

Description

Multiplefrequency mixer

[technical field]

The utility model relates to electronic information and mobile communication technology field, particularly, relates to a kind of multiplefrequency mixer.

[background technology]

Existing electronic information and different be divided into cdma network, GSM network, CDMA2000 network, the WCDMA networks etc. of mobile communication network according to frequency.The development trend of indoor covering is that many communication systems merge each other, coexistence is shared in the site, product technology is intelligent, the energy-conservation and environment harmonization of product, and product facility convenient, economic, reliable, portability can be provided.In the time will covering multiple network in the same building, generally need to install respectively reception and emitter separately, this not only is provided with installs trouble, has also improved equipment cost simultaneously.

Therefore, need a kind of multiplefrequency mixer badly, reduce the maintenance cost of system to avoid the repeated construction of indoor distributed system.

[summary of the invention]

A purpose of the utility model provides a kind of multiplefrequency mixer; This multiplefrequency mixer comprises some outsides wallboard and two cover plates that form a cavity; Said wallboard is equipped with at least two signal input ports in CDMA signal input port, GSM signal input port, CDMA2000 signal input port and the WCDMA signal input port, and is equipped with one and closes the road signal output port; Have at least two inner chambers in the said cavity, connect said at least two signal input ports and one respectively and close the road signal output port; Each inner chamber has some resonance posts to be arranged in corresponding signal input port and closes between the signal output port of road.

As a kind of improvement project, has resonant window between the adjacent resonance post of each inner chamber.

As a kind of improvement project; Said wallboard is equipped with CDMA2000 signal input port and WCDMA signal input port; Have up inner chamber of CDMA2000 and the up inner chamber of WCDMA in the said cavity; Up inner chamber of said CDMA2000 and the up inner chamber of WCDMA have the common resonant post, said common resonant post and said to close the road signal output terminal adjacent.

As a kind of improvement project, have descending inner chamber of CDMA2000 and the descending inner chamber of WCDMA in the said cavity, descending inner chamber of said CDMA2000 and the descending inner chamber of WCDMA have the common resonant post, said common resonant post and said to close the road signal output terminal adjacent.

As a kind of improvement project; Said wallboard is equipped with CDMA signal input port and GSM signal input port; Have GSM inner chamber and CDMA inner chamber in the said cavity, said GSM inner chamber and CDMA inner chamber have the common resonant post, said common resonant post and said to close the road signal output terminal adjacent.

As a kind of improvement project, said cavity is separated into ground floor cavity and second layer cavity by dividing plate, and said GSM inner chamber and CDMA inner chamber lay respectively at said ground floor cavity and second layer cavity and overlapping basically.

As a kind of improvement project, said cavity is separated into ground floor cavity and second layer cavity by dividing plate, and up inner chamber of said CDMA2000 and the descending inner chamber of CDMA2000 lay respectively at said ground floor cavity and second layer cavity and overlapping basically.

As a kind of improvement project, up inner chamber of said WCDMA and the descending inner chamber of WCDMA lay respectively at said ground floor cavity and second layer cavity and overlapping basically.

As a kind of improvement project, said wallboard is equipped with CDMA signal input port and GSM signal input port, has GSM inner chamber and CDMA inner chamber in the said cavity and lays respectively at said ground floor cavity and second layer cavity and overlapping basically.

As a kind of improvement project, said GSM inner chamber and CDMA inner chamber have the common resonant post, said common resonant post and said to close the road signal output terminal adjacent.

Implement the utility model, can the communication signal of multiple frequency be merged and unified the transmission, can simplify the installation and maintenance of communication apparatus, reduce cost.

[description of drawings]

Fig. 1 is the ground floor cavity of the multiplefrequency mixer that provides of the utility model;

Fig. 2 is the second layer cavity of the multiplefrequency mixer that provides of the utility model.

[embodiment]

With reference to figure 1 and Fig. 2, the some sidewalls of multiplefrequency mixer that the utility model one preferred embodiment provides and two cover plates up and down, this sidewall and cover plate one cavity, in this instance, this cavity is a rectangle.The cavity front side wall of the utility model is equipped with and closes road signal output port 1, and rear wall is equipped with CDMA signal input port 2, GSM signal input port 3, CDMA2000 uplink and downlink signals input port 4, WCDMA uplink and downlink signals input port 5.

Cavity is separated into ground floor cavity and second layer cavity by dividing plate.Be provided with CDMA inner chamber 6, the up inner chamber 8 of CDMA2000 and the up inner chamber 10 of WCDMA in the ground floor cavity.Second layer cavity is provided with GSM inner chamber 7, the descending inner chamber 9 of CDMA2000 and the descending inner chamber 11 of WCDMA.CDMA inner chamber 6 is provided with CDMA resonance post 6A; GSM inner chamber 7 is provided with GSM resonance post 7A; The up inner chamber 8 of CDMA2000 is provided with the up resonance post of CDMA2000 8A; The descending inner chamber 9 of CDMA2000 is provided with the descending resonance post of CDMA2000 9A, and the up inner chamber 10 of WCDMA is provided with the up resonance post of WCDMA 10A, and the descending inner chamber 11 of WCDMA is provided with the descending resonance post of WCDMA 11A.Resonance post in each inner chamber is sequentially arranged in corresponding signal input port respectively and closes between the road signal output port 1, is provided with coupling window 12B between the adjacent resonance post.

In this instance, GSM inner chamber 6 lays respectively at ground floor cavity and second layer cavity and overlapping basically with CDMA inner chamber 7.The up inner chamber 8 of CDMA2000 lays respectively at ground floor cavity and second layer cavity and overlapping basically with the descending inner chamber 9 of CDMA2000.The up inner chamber 10 of WCDMA lays respectively at ground floor cavity and second layer cavity and overlapping basically with the descending inner chamber 11 of WCDMA.10 resonance posts of monopolizing are arranged in the CDMA inner chamber 6; 11 resonance posts of monopolizing are arranged in the GSM inner chamber 7,6 resonance posts of monopolizing are arranged in the up inner chamber 8 of CDMA2000,7 resonance posts of monopolizing are arranged in the descending inner chamber 9 of CDMA2000; 7 resonance posts of monopolizing are arranged in the up inner chamber 10 of WCDMA; 7 resonance posts of monopolizing are arranged in the descending inner chamber 11 of WCDMA, and in addition, CDMA inner chamber 6 also has a common resonant post 14A with GSM inner chamber 7; The up inner chamber 8 of CDMA2000 has a common resonant post 12A with the up inner chamber 10 of WCDMA, and the descending inner chamber 9 of CDMA2000 has a common resonant post 13A with the descending inner chamber 11 of WCDMA.Therefore, this multiplefrequency mixer has 51 resonance posts altogether and evenly is provided with rectangular.Should recognize, can change the quantity of resonance post according to the actual requirements.

The utility model is incoming cdma signal, GSM signal, CDMA2000 uplink and downlink signals, WCDMA uplink and downlink signals simultaneously; Respectively through the coupling of separately coupling window; Filter out the signal beyond itself, yet export, form each frequency passband by the same road signal output port that closes; Wherein in signal output public port CDMA2000 up with the up inner chamber of WCDMA altogether public resonance post 12A, CDMA2000 is descending with the descending inner chamber of WCDMA altogether public resonance post 13A, CDMA to be total to public resonance post 14A with the GSM inner chamber be capacitive coupling; Port Impedance is mated easily, easy production in batch, and debugging also can reduce difficulty.The utility model passes through the meticulous selection to precise design, manufacturing materials and the technology that adopts the cross-couplings cavity body structure, guarantees that product has high-isolation, low-loss and the good outer suppression characteristic of band.Implement the utility model, can solve the compatible Construction Problems of 3G and WLAN, market prospects are wide.

For the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model.Therefore, the protection range of the utility model patent should be as the criterion with accompanying claims.

Claims

1. a multiplefrequency mixer comprises some outsides wallboard and two cover plates of forming a cavity, it is characterized in that:

Said wallboard is equipped with at least two signal input ports in CDMA signal input port (2), GSM signal input port (3), CDMA2000 signal input port (4) and the WCDMA signal input port (5), and is equipped with one and closes road signal output port (1);

Have at least two inner chambers in the said cavity, connect said at least two signal input ports and one respectively and close the road signal output port;

Each inner chamber has some resonance posts to be arranged in corresponding signal input port and closes between the signal output port of road.

2. multiplefrequency mixer according to claim 1 is characterized in that, has resonant window between the adjacent resonance post of each inner chamber.

3. multiplefrequency mixer according to claim 2; It is characterized in that; Said wallboard is equipped with CDMA2000 signal input port (4) and WCDMA signal input port (5); Have up inner chamber of CDMA2000 (8) and the up inner chamber of WCDMA (10) in the said cavity, up inner chamber of said CDMA2000 (8) and the up inner chamber of WCDMA (10) have common resonant post (12A), and said common resonant post (12A) is with said to close road signal output terminal (1) adjacent.

4. multiplefrequency mixer according to claim 3; It is characterized in that; Have descending inner chamber of CDMA2000 (9) and the descending inner chamber of WCDMA (11) in the said cavity; Descending inner chamber of said CDMA2000 (9) and the descending inner chamber of WCDMA (11) have common resonant post (13A), and said common resonant post (13A) is with said to close road signal output terminal (1) adjacent.

5. multiplefrequency mixer according to claim 2; It is characterized in that; Said wallboard is equipped with CDMA signal input port (2) and GSM signal input port (3); Have GSM inner chamber (6) and CDMA inner chamber (7) in the said cavity, said GSM inner chamber (6) and CDMA inner chamber (7) have common resonant post (14A), and said common resonant post (14A) is with said to close road signal output terminal (1) adjacent.

6. multiplefrequency mixer according to claim 5 is characterized in that, said cavity is separated into ground floor cavity and second layer cavity by dividing plate, and said GSM inner chamber (6) and CDMA inner chamber (7) lay respectively at said ground floor cavity and second layer cavity and overlapping basically.

7. multiplefrequency mixer according to claim 4; It is characterized in that; Said cavity is separated into ground floor cavity and second layer cavity by dividing plate, and up inner chamber of said CDMA2000 (8) and the descending inner chamber of CDMA2000 (9) lay respectively at said ground floor cavity and second layer cavity and overlapping basically.

8. multiplefrequency mixer according to claim 7 is characterized in that, up inner chamber of said WCDMA (10) and the descending inner chamber of WCDMA (11) lay respectively at said ground floor cavity and second layer cavity and overlapping basically.

9. multiplefrequency mixer according to claim 8; It is characterized in that; Said wallboard is equipped with CDMA signal input port (2) and GSM signal input port (3), has GSM inner chamber (6) and CDMA inner chamber (7) in the said cavity and lays respectively at said ground floor cavity and second layer cavity and overlapping basically.

10. multiplefrequency mixer according to claim 9 is characterized in that, said GSM inner chamber (6) and CDMA inner chamber (7) have common resonant post (14A), and said common resonant post (14A) is with said to close road signal output terminal (1) adjacent.