CN201673990U - WLAN signal channel combiner - Google Patents
WLAN signal channel combiner Download PDFInfo
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- CN201673990U CN201673990U CN2010201699699U CN201020169969U CN201673990U CN 201673990 U CN201673990 U CN 201673990U CN 2010201699699 U CN2010201699699 U CN 2010201699699U CN 201020169969 U CN201020169969 U CN 201020169969U CN 201673990 U CN201673990 U CN 201673990U
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- resonant cavity
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Abstract
The utility model discloses a WLAN signal channel combiner for combining a first signal channel and a second signal channel into one. The WLAN signal channel combiner is characterized in that a first signal channel filter and a second signal channel filter are respectively arranged inside a cavity; a first port, a second port and a common port are arranged outside the cavity; the first signal channel port and the second signal channel port are respectively connected with an input end of the first signal channel filter and an input end of the second signal channel filter; the common port is jointly connected with output ends of the first signal channel filter and the second signal channel filter; the two filters are provided with through grooves for realizing coupling of the two filters; and the through grooves are arranged on partition walls at the connecting position of the two filters. The WLAN signal channel combiner adopts the mode of the resonant cavity, and designs the two filters respectively applicable to different signal channels of a WLAN network on the same cavity by applying the fundamental principles of the filters. The WLAN signal channel combiner is a communication network device with small volume, light weight, low cost and strong practicability.
Description
Technical field
The utility model is the network optimization product that belongs in electronic information and the mobile communication technology field, specifically is a kind of WLAN the 1st and the 11st channel mixer.
Background technology
WLAN is WLAN (wireless local area network) (Wireless Local Area Network), be meant the LAN (Local Area Network) of making transmission medium with wireless channel, be the important supplement and the extension of wired networking mode, and become vital part in the computer network gradually, needing to be widely used in removable data to handle the field that maybe can't carry out the physical transmission medium wiring.Its frequency is 2400-2500MHz, is divided into 13 channels, sees Table 1.
Table 1
| | Frequency | |
| 1 | 2401- |
|
| 2 | 2406- |
|
| 3 | 2411- |
|
| 4 | 2416- |
|
| 5 | 2421-2443MHz | |
| 6 | 2426- |
|
| 7 | 2431- |
|
| 8 | 2436- |
|
| 9 | 2441-2463MHz | |
| 10 | 2446- |
|
| 11 | 2451-2473MHz | |
| 12 | 2456- |
|
| 13 | 2461-2483MHz |
Each channel is 22MHZ, and use wherein 1MHZ can find out each channel spacing 5MHZ as transmitted frequency from tabulation.In IEEE 802.11b/g network standard, though the channel of wireless network has 13, but non-overlapped channel has only these three of 1,6,11 (or 13), therefore, guarantee that a plurality of wireless networks are in same covering area stable operation, do not produce interference or overlapping, these three channels of 1,6,11 (or 13) are used in suggestion.Owing to have multiple network to exist simultaneously among the WLAN, existing a large amount of communication network optimize project is when doing the signal covering, need to reduce the space and save cost, to use a kind of mixer that multiple signals are merged into one road signal to reach the unlike signal system transmissions, therefore in the wlan network covering system, WLAN the 1st and the 11st channel mixer are indispensable devices.
The utility model content
The utility model is exactly in order to solve the problem of the isolated problem of WLAN different channels, to provide a kind of the channel mixer of wlan network different channels Design of Filter on same cavity.
WLAN channel mixer described in the utility model, comprise the cover plate on cavity and the cavity, inside cavity is provided with two filters, be respectively WLAN the 1st channel model and WLAN the 11st channel model, three joints are separately positioned on the cavity outside, three joints are respectively the 1st channeling ports, the 11st channeling port and public port, the 1st channeling port wherein, the 11st channeling port is connected with WLAN the 11st channel model input with WLAN the 1st channel model input respectively, public port and WLAN the 1st channel model output, WLAN the 11st channel model output connects jointly, and the partition wall of two filters in this junction has groove realization coupling.
The 1st channel model comprises 6 resonant cavitys that link to each other successively, i.e. first resonant cavity to the, six resonant cavitys, a resonant rod has been installed in the center of each resonant cavity, the resonant rod of the resonant rod of first resonant cavity and the 6th resonant cavity is connected with the 1st channeling port and public port by coupled-wires respectively, and between second resonant cavity and the 4th resonant cavity, perceptual cross-couplings device is installed between the 4th resonant cavity and the 6th resonant cavity.Perception cross-couplings device is mounted in the tuning cross-line on the cover plate.
The 11st channel model comprises 6 resonant cavitys that link to each other successively, i.e. the 7th resonant cavity to the 12 resonant cavitys, a resonant rod has been installed in the center of each resonant cavity, the resonant rod of the 7th resonant cavity is connected with the 11st channeling port and public port by coupled-wires respectively with the resonant rod of the 12 resonant cavity, and between the 8th resonant cavity and the tenth resonant cavity, capacitive cross-couplings device is installed between the tenth resonant cavity and the 12 resonant cavity.Capacitive cross-couplings device is 2 and is fixed on the recessed tuning bar that flies in poor of cavity.Coupled-wires is the silver-jacketed wire that is welded on resonant rod and the joint.。
The utility model adopts the resonant cavity form, and on same cavity, and each filter all adds two attenuation poles to utilization filter basic principle with two Design of Filter being applicable to the wlan network different channels respectively.Be processed into cavity and silver-plated with aluminum simultaneously in inside cavity surface fortune.Adopt above technology to make it in frequency is separated by very narrow scope, reach isolation more than the 90dB, has fabulous response forms, and it is high that the technical indicator band suppresses outward, Insertion Loss is little, volume is little, be convenient to Installation and Debugging, improve the performance of whole system, strengthen the reliability of network, and be more suitable for the engineering construction application.It is little to make it become volume, in light weight, the communication network optimizing equipment that cost is low, practical.
According to optimizing Principles of Network, technical indicator of the present utility model is:
Description of drawings
Fig. 1 is the planar structure schematic diagram of the utility model cavity;
Fig. 2 is the structural representation of this practical cavity side, and wherein Fig. 2 a is a left view, and b is a right view.
Embodiment
The utility model adopts lumped parameter and distributed constant principle, according to technical indicator, in conjunction with Chebyshev's type Design of Bandpass principle.See Fig. 1-2.The utility model comprises cavity 1 (1), cover plate 2 (1), resonant rod 6 (12), tuning screw 10 (22), mounting cover plate bolt (64), resonant rod screw (12) is installed, joint (3), tuning bar (2), the tuning cross-line (2) of flying, inside cavity comprises that two filters are respectively WLAN the 1st channel model and WLAN the 11st channel model.
A kind of WLAN the 1st described in the utility model and the 11st channel mixer comprise that three joints the 1st channeling port the 3, the 11st channeling port 4 and public port 5 are separately positioned on the cavity outside.Wherein the 1st channeling port 3 is connected in public port 5 through first resonant cavity, 11 to the 6th resonant cavitys 16 by coupled-wires 9; The 11st channeling port 4 is connected in public port 5 through the 7th resonant cavity the 21 to the 12 resonant cavity 26 by coupled-wires 9.
The 1st channel model comprises 6 resonant cavitys that link to each other successively, i.e. first resonant cavity, 11 to the 6th resonant cavitys 16, a resonant rod 6 has been installed in the center of each resonant cavity, first resonant rod is connected with the 1st channeling port 3 and public port 5 by coupled-wires 9 respectively with last resonant rod, and between second resonant cavity 12 and the 4th resonant cavity 14, between the 4th resonant cavity 14 and the 6th resonant cavity 16 perceptual cross-couplings device 8 is installed.Coupled-wires 9 is that silver-jacketed wire is fixed on resonant rod and the joint with scolding tin.Perception cross-couplings device 8 is 3 installations tuning cross-lines on the cover board.
The 11st channel model comprises 6 resonant cavitys that link to each other successively, i.e. the 7th resonant cavity the 21 to the 12 resonant cavity 26, a resonant rod 6 has been installed in the center of each resonant cavity, first resonant rod is connected with the 11st channeling port 4 and public port 5 by coupled-wires 9 respectively with last resonant rod, and between the 8th resonant cavity 21 and the tenth resonant cavity 23, between the tenth resonant cavity 23 and the 12 resonant cavity 25 capacitive cross-couplings device 7 is installed.Coupled-wires 9 is that silver-jacketed wire is fixed on resonant rod and the joint with scolding tin.Capacitive cross-couplings device 7 be 3 be fixed on cavity recessed poor in the tuning bar that flies.
Claims (6)
1. a WLAN channel mixer is characterized in that comprising the cover plate (2) on cavity (1) and the cavity (1), and cavity (1) inside is provided with two filters, is respectively WLAN the 1st channel model and WLAN the 11st channel model; Three joints are separately positioned on cavity (1) outside, three joints are respectively the 1st channeling port (3), the 11st channeling port (4) and public port (5), wherein the 1st channeling port (3), the 11st channeling port (4) are connected with WLAN the 11st channel model input with WLAN the 1st channel model input respectively, public port (5) is connected jointly with WLAN the 1st channel model output, WLAN the 11st channel model output, and the partition wall of two filters in this junction has groove realization coupling.
2. WLAN channel mixer according to claim 1, it is characterized in that the 1st channel model comprises 6 resonant cavitys that link to each other successively, promptly first resonant cavity (11) is to the 6th resonant cavity (16), a resonant rod (6) has been installed in the center of each resonant cavity, the resonant rod of the resonant rod of first resonant cavity and the 6th resonant cavity is connected with the 1st channeling port (3) and public port (5) by coupled-wires (9) respectively, and between second resonant cavity (12) and the 4th resonant cavity (14), between the 4th resonant cavity (14) and the 6th resonant cavity (16) perceptual cross-couplings device (8) is installed.
3. WLAN channel mixer according to claim 2 is characterized in that perceptual cross-couplings device (8) is mounted in the tuning cross-line on the cover plate.
4. WLAN channel mixer according to claim 1 and 2, it is characterized in that the 11st channel model comprises 6 resonant cavitys that link to each other successively, promptly the 7th resonant cavity (21) is to the 12 resonant cavity (26), a resonant rod (6) has been installed in the center of each resonant cavity, the resonant rod of the 7th resonant cavity is connected with the 11st channeling port (4) and public port (5) by coupled-wires (9) respectively with the resonant rod of the 12 resonant cavity, and between the 8th resonant cavity (22) and the tenth resonant cavity (24), between the tenth resonant cavity (24) and the 12 resonant cavity (26) capacitive cross-couplings device (7) is installed.
5. WLAN channel mixer according to claim 4 is characterized in that capacitive cross-couplings device (7) is to be fixed on the recessed tuning bar that flies in poor of cavity (1).
6. according to any one described WLAN channel mixer in the claim 2,3 or 5, it is characterized in that coupled-wires (9) is the silver-jacketed wire that is welded on resonant rod and the joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201699699U CN201673990U (en) | 2010-04-26 | 2010-04-26 | WLAN signal channel combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201699699U CN201673990U (en) | 2010-04-26 | 2010-04-26 | WLAN signal channel combiner |
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| Publication Number | Publication Date |
|---|---|
| CN201673990U true CN201673990U (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201699699U Expired - Fee Related CN201673990U (en) | 2010-04-26 | 2010-04-26 | WLAN signal channel combiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201673990U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099285A (en) * | 2016-07-29 | 2016-11-09 | 四川天邑康和通信股份有限公司 | A kind of WLAN combiner and path combining method thereof and coupling window design method |
| CN113036357A (en) * | 2019-12-25 | 2021-06-25 | 深圳市大富科技股份有限公司 | Filter and communication equipment |
-
2010
- 2010-04-26 CN CN2010201699699U patent/CN201673990U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099285A (en) * | 2016-07-29 | 2016-11-09 | 四川天邑康和通信股份有限公司 | A kind of WLAN combiner and path combining method thereof and coupling window design method |
| CN113036357A (en) * | 2019-12-25 | 2021-06-25 | 深圳市大富科技股份有限公司 | Filter and communication equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING STANDARD COMMUNICATIONS CO., LTD. Free format text: FORMER OWNER: NANJING STANDARD COMMUNICATIONS ENGINEERING CO., LTD. Effective date: 20110516 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210000 ROOM 2106, FUSHENG BUILDING, NO. 1, FUHOUGANG, NANJING CITY, XUANWU DISTRICT, NANJING CITY, JIANGSU PROVINCE TO: 210007 NO. 1, GUANGHUA ROAD, BAIXIA DISTRICT, NANJING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110516 Address after: 210007 Guanghua Road, Baixia District of Nanjing City No. 1 Patentee after: Nanjing Standard Communications Co.,Ltd. Address before: 210000 room 1, Fu Sheng building, No. 2106 Fu Hougang, Nanjing, Xuanwu District, Jiangsu, Nanjing Patentee before: Nanjing Sitande Communication Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20160426 |