CN202737070U

CN202737070U - Full-band high-performance dual-band combiner

Info

Publication number: CN202737070U
Application number: CN 201220309080
Authority: CN
Inventors: 王保军; 秦有财; 蒋霞
Original assignee: ANHUI RUIYANG COMMUNICATION EQUIPMENT Co Ltd
Current assignee: ANHUI RUIYANG COMMUNICATION EQUIPMENT Co Ltd
Priority date: 2012-06-28
Filing date: 2012-06-28
Publication date: 2013-02-13
Anticipated expiration: 2022-06-28

Abstract

The utility model provides a full-band high-performance dual-band combiner and relates to the technical field of electronic information and mobile communication. The main body comprises a cavity, a cover plate on the cavity and three joints arranged outside the cavity, wherein the three joints are respectively a 0422 port, a WLAN (Wireless Local Area Network) port and a public port; the 0422 port is connected with the public port via a main transmission line; the WLAN port and the public port are coupled and connected by using a coupling body via a coupling wire; and two filters which are respectively a 400-2200MHz band rejection filter and a WLAN filter are arranged inside the cavity. The full-band high-performance dual-band combiner is excellent in response form, high in the technical indicator out-of-band rejection, little in insertion loss, small in size, and facilitates installation and debugging, improves performances of the whole system, enhances reliability of the network, well simplifies multi-system coverage and is more suitable for project application and implementation; and the full-band high-performance dual-band combiner is a high-performance communication network device which is small in size, light in weight, low in cost and strong in practicability.

Description

Full frequency band high-performance dual-frequency channel merger

Technical field:

The utility model relates to the network optimization product in electronic information and the mobile communication technology field, relates in particular to a kind of full frequency band high-performance dual-frequency channel merger.

Background technology:

0422 represents the 400-2200MHZ frequency, comprises Digital Clustering, SCDMA, CDMA, GSM, DCS1400, PHS, WCDMA, TD-SCDMA and CDMA2000 system.

WLAN is WLAN (wireless local area network) (Wireless Local Area Network), refer to do with wireless channel the LAN (Local Area Network) of transmission medium, important supplement and the extension of wired networking mode, and become gradually vital part in the computer network, needing to be widely used in removable data to process the field that maybe can't carry out the physical transmission medium wiring.Its frequency is 2400-2500MHz.

Existing mass communication network optimization project, when doing the signal covering, in order to save the cost reduction space, the unlike signal system transmissions tends to use mixer to make multiple signals merge into one road signal.Therefore to be linked into wlan system in the existing signal network covering, must use 400-2200MHZ and WLAN dual-frequency channel merger.

This common mixer on the market is comprised of three band pass filters now, and wherein 0422 end is that two band pass filters are synthetic, and shown in Fig. 1～3, although this version satisfies basic index, volume is large, and assembling is complicated, debug difficulties, and price is high.

The utility model content:

The above-mentioned series of problems that the utility model brings in order to solve the existing dual-frequency channel merger that is comprised of three band pass filters, a kind of 400-2200MHZ and 2400-2500MHz dual-frequency channel merger that is combined by band pass filter and band stop filter is provided, and adopt the aluminium die-casting mode, reduce the course of processing, further optimized the practicality of product.

Technical problem to be solved in the utility model realizes by the following technical solutions.

A kind of full frequency band high-performance dual-frequency channel merger, it is characterized in that: main body comprises cavity, cover plate on the cavity, and three joints that are arranged on the cavity outside, described three joints are respectively 0422 ports, WLAN port and public port, described cavity comprises the first resonant cavity, the second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity, the 5th resonant cavity, the 6th resonant cavity, the 8th resonant cavity, the 9th resonant cavity, the tenth resonant cavity, the 11 resonant cavity, the 12 resonant cavity and the 13 resonant cavity, described 0422 port by main transmission line through the first resonant cavity, the second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity, the 5th resonant cavity and the 6th resonant cavity, link to each other with public port, described WLAN port by coupled-wires through the 8th resonant cavity, the 9th resonant cavity, the tenth resonant cavity, the 11 resonant cavity, the 12 resonant cavity and the 13 resonant cavity are connected with the coupling body coupling with public port again.

Comprise two filters in the described cavity, be respectively 400-2200MHZ band stop filter and WLAN filter.

Described WLAN filter mainly comprises the first resonant cavity, the second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity, the 5th resonant cavity and the 6th resonant cavity that links to each other successively, also comprise a main transmission line that is connected between 0422 port and the public port, described the first resonant cavity, the second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity, the 5th resonant cavity and the 6th resonant cavity, the center, side of each resonant cavity are equipped with one and transfer spiral shell.

Described WLAN filter is the 2400-2500MHz band pass filter, comprise the 8th resonant cavity, the 9th resonant cavity, the tenth resonant cavity, the 11 resonant cavity, the 12 resonant cavity and the 13 resonant cavity that link to each other successively, a resonant rod is installed in the center of each resonant cavity, resonant rod in the 8th resonant cavity is connected with the WLAN port by coupled-wires, resonant rod in the 13 resonant cavity is of coupled connections by coupling body and public port, and the equal rheo-die-casting of resonant rod in the 9th resonant cavity, the tenth resonant cavity, the 11 resonant cavity and the 12 resonant cavity is on cavity.

Described coupled-wires is that silver-jacketed wire is fixed on resonant rod and the joint with scolding tin.

According to the optimized network principle, index of the present utility model is:

The utility model adopts the resonant cavity form, uses the filter basic principle to be applicable to respectively the cavity body filter design of 400-2200MHZ and wlan network signal on same cavity.Owing to having changed mentality of designing, the mode of having used band pass filter and band stop filter to combine has reduced resonant cavity number and the volume of filter to a great extent, reduces a chamber and frequency expansion to 400-2200MHz than 800-2200MHz port.Adopt above technology to make it accomplish very high isolation in the very high situation of relative bandwidth, has fabulous response forms, and the technical indicator Out-of-band rejection is high, Insertion Loss is little, volume is little, be convenient to Installation and Debugging, improve the performance of whole system, strengthen the reliability of network, simplified preferably the multisystem covering, and be more suitable for the engineering construction application; Make it become volume little, lightweight, the communication network of high Performance equipment that cost is low, practical.

Description of drawings:

Fig. 1 is the front view of existing mixer;

Fig. 2 is the vertical view of existing mixer;

Fig. 3 is the upward view of existing mixer;

Fig. 4 is front view of the present utility model;

Fig. 5 is vertical view of the present utility model;

Fig. 6 is upward view of the present utility model.

Embodiment:

For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.

Shown in Fig. 4～6, a kind of full frequency band high-performance dual-frequency channel merger, main body comprises cavity 22, cover plate 21 on the cavity 22, and three joints that are arranged on cavity 22 outsides, described three joints are respectively 0422 ports 9, WLAN port one 0 and public port 1, cavity 22 comprises the first resonant cavity 7, the second resonant cavity 6, the 3rd resonant cavity 5, the 4th resonant cavity 4, the 5th resonant cavity 3, the 6th resonant cavity 2, the 8th resonant cavity 13, the 9th resonant cavity 14, the tenth resonant cavity 15, the 11 resonant cavity 16, the 12 resonant cavity 17 and the 13 resonant cavity 18, described 0422 port 9 passes through main transmission line 8 through the first resonant cavity 7, the second resonant cavity 6, the 3rd resonant cavity 5, the 4th resonant cavity 4, the 5th resonant cavity 3 and the 6th resonant cavity 2, link to each other with public port 1, WLAN port one 0 passes through coupled-wires 11 through the 8th resonant cavity 13, the 9th resonant cavity 14, the tenth resonant cavity 15, the 11 resonant cavity 16, the 12 resonant cavity 17 and the 13 resonant cavity 18 are connected with 19 couplings of public port 1 usefulness coupling body again.

Comprise two filters in the cavity 22, be respectively 400-2200MHZ band stop filter and WLAN filter; The WLAN filter mainly comprises the first resonant cavity 7, the second resonant cavity 6, the 3rd resonant cavity 5, the 4th resonant cavity 4, the 5th resonant cavity 3 and the 6th resonant cavity 2 that links to each other successively, also comprise a main transmission line 8 that is connected between 0422 port 9 and the public port 1, described the first resonant cavity 7, the second resonant cavity 6, the 3rd resonant cavity 5, the 4th resonant cavity 4, the 5th resonant cavity 3 and the 6th resonant cavity 2, the center, side of each resonant cavity are equipped with one and transfer spiral shell 20; The WLAN filter is the 2400-2500MHz band pass filter, comprise the 8th resonant cavity 13 that links to each other successively, the 9th resonant cavity 14, the tenth resonant cavity 15, the 11 resonant cavity 16, the 12 resonant cavity 17 and the 13 resonant cavity 18, a resonant rod 12 is installed in the center of each resonant cavity, resonant rod 12 in the 8th resonant cavity 13 is connected with WLAN port one 0 by coupled-wires 11, resonant rod 12 in the 13 resonant cavity 18 is of coupled connections the 9th resonant cavity 14 by coupling body 19 and public port 1, the tenth resonant cavity 15, resonant rod 12 equal rheo-die-castings in the 11 resonant cavity 16 and the 12 resonant cavity 17 are on cavity 22.

Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. full frequency band high-performance dual-frequency channel merger, it is characterized in that: main body comprises cavity, cover plate on the cavity, and three joints that are arranged on the cavity outside, described three joints are respectively 0422 ports, WLAN port and public port, described cavity comprises the first resonant cavity, the second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity, the 5th resonant cavity, the 6th resonant cavity, the 8th resonant cavity, the 9th resonant cavity, the tenth resonant cavity, the 11 resonant cavity, the 12 resonant cavity and the 13 resonant cavity, described 0422 port by main transmission line through the first resonant cavity, the second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity, the 5th resonant cavity and the 6th resonant cavity, link to each other with public port, described WLAN port by coupled-wires through the 8th resonant cavity, the 9th resonant cavity, the tenth resonant cavity, the 11 resonant cavity, the 12 resonant cavity and the 13 resonant cavity are connected with the coupling body coupling with public port again.

2. full frequency band high-performance dual-frequency channel merger according to claim 1 is characterized in that: comprise two filters in the described cavity, be respectively 400-2200MHZ band stop filter and WLAN filter.

3. full frequency band high-performance dual-frequency channel merger according to claim 2, it is characterized in that: described WLAN filter mainly comprises the first resonant cavity, the second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity, the 5th resonant cavity and the 6th resonant cavity that links to each other successively, also comprise a main transmission line that is connected between 0422 port and the public port, described the first resonant cavity, the second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity, the 5th resonant cavity and the 6th resonant cavity, the center, side of each resonant cavity are equipped with one and transfer spiral shell.

4. full frequency band high-performance dual-frequency channel merger according to claim 2, it is characterized in that: described WLAN filter is the 2400-2500MHz band pass filter, comprise the 8th resonant cavity that links to each other successively, the 9th resonant cavity, the tenth resonant cavity, the 11 resonant cavity, the 12 resonant cavity and the 13 resonant cavity, a resonant rod is installed in the center of each resonant cavity, resonant rod in the 8th resonant cavity is connected with the WLAN port by coupled-wires, resonant rod in the 13 resonant cavity is of coupled connections the 9th resonant cavity by coupling body and public port, the tenth resonant cavity, the equal rheo-die-casting of resonant rod in the 11 resonant cavity and the 12 resonant cavity is on cavity.

5. full frequency band high-performance dual-frequency channel merger according to claim 4, it is characterized in that: described coupled-wires is that silver-jacketed wire is fixed on resonant rod and the joint with scolding tin.