CN107658535A - A kind of mutli-system integration integration combining platform - Google Patents

A kind of mutli-system integration integration combining platform Download PDF

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Publication number
CN107658535A
CN107658535A CN201710912050.0A CN201710912050A CN107658535A CN 107658535 A CN107658535 A CN 107658535A CN 201710912050 A CN201710912050 A CN 201710912050A CN 107658535 A CN107658535 A CN 107658535A
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CN
China
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cavity
filters
integration
mutli
bandpass
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CN201710912050.0A
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Chinese (zh)
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CN107658535B (en
Inventor
陈金泉
李华贵
谢鹏阳
谭金生
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CHINA YOUKE COMMUNICATION TECHNOLOGY Co Ltd
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CHINA YOUKE COMMUNICATION TECHNOLOGY Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/213Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2138Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters

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Abstract

The invention discloses a kind of mutli-system integration integration combining platform, and it includes cavity and the cover plate being engaged with the cavity;The cavity is divided into FDD LTE 1.8G bandpass filters, WCDMA bandpass filters, two full tunnel wide band filters, CDMA transparent transmissions wave filter, electric bridge chamber by isolation bar;It is respectively connected between the FDD LTE 1.8G bandpass filters, WCDMA bandpass filters, two high channel wide band filters, electric bridge chamber by transfer rod;Multiple resonant columns are equipped with each bandpass filter cavity, the adjacent resonant column of same bandpass filter intracavitary is provided with coupling window.The 4 system Two In and Two Out combining platforms of the present invention, integrate combiner, electric bridge, wave filter, reduce the cost of product, reduce the volume of product;The 4 system Two In and Two Out combining platforms of the present invention are that one kind mutually mixes up, and suppress high, standing wave is low, practical communication network equipment.

Description

A kind of mutli-system integration integration combining platform
Technical field
The invention belongs to electronic information and mobile communication technology field, a kind of specific mutli-system integration integration combining is put down Platform.
Background technology
Nowadays oneself is through extremely popularizing for GSM, CDMA, WCDMA, telecommunications FDD LTE1.8G, UNICOM FDD The systems such as LTE1.8G are throughout the somewhat intensive each place of Chinese population.These systems be all by different companies each Set up and operate, the business of intercommunication is also provided between respective.But in some special occasions, the network of multiple types communication system is all It can not effectively cover, now just need a platform all to collect the signal of communication of various network systems, then again by this A little signals respectively with each belonging to system got in touch with, this be equivalent to therebetween establish a terminal.This Kind is sought after as the platform of terminal in many occasions, for example subway is exactly the occasion of a typical case.People exist The mobile communication service of various standards is needed in the compartment of the tunnel of subway, platform, subway concourse and subway, in addition the numeral in subway TV signal, collection group congruences are also introduced into the region of ground.With the development and popularization of subway industry, the demand of described platform Also can be increasing.In addition, the platform not only in subway can extensive use, and in park, conference centre etc. Have wide practical use.Broadband multisystem mixing platform provides the user the service of mobile network, and this not only has certain Economic implications, and there is far-reaching social effect, this product by wave filter, electric bridge, conductor height be integrated in it is same On individual aluminium block, all it is greatly improved from properity, volume, cost, improves the competitiveness of product.
The content of the invention
It is an object of the invention to provide a kind of mutli-system integration integration combining platform.
The present invention uses following technical scheme:A kind of mutli-system integration integration combining platform, it is characterised in that:Including chamber Body and the cover plate being engaged with the cavity;The cavity by isolation bar be divided into FDD LTE 1.8G bandpass filters, WCDMA bandpass filters, two full tunnel wide band filters, CDMA transparent transmissions wave filter, electric bridge chamber;The FDD LTE 1.8G bands It is respectively connected between bandpass filter, WCDMA bandpass filters, two high channel wide band filters, electric bridge chamber by transfer rod;Respectively Multiple resonant columns are equipped with individual bandpass filter cavity, the adjacent resonant column of same bandpass filter intracavitary is provided with coupling window Mouthful.
In an embodiment of the present invention, 4 tep reel resonant columns are provided with the CDMA wave filters;Set in WCDMA wave filters There are 9 resonant columns;8 resonant columns are provided with FDD LTE 1.8G wave filters;Two all-pass wide frequency wave filters are respectively set using interior There are 4 resonant columns;2 winged bars fixed with medium are additionally provided with FDD LTE 1.8G wave filters.
In an embodiment of the present invention, the cavity uses integrated die cast;The resonant column is pressed using integration Type casting moulding.
In an embodiment of the present invention, FDD LTE 1.8G bandpass filters, WCDMA bandpass filterings chamber, two full tunnels Wide band filter, CDMA transparent transmissions wave filter are using coupling coaxial resonant cavity structure.
In an embodiment of the present invention, WCDMA bandpass filters input port is connected with the first connector, is put down as combining Platform first inputs;FDD LTE1.8G bandpass filters input ports with and connector is connected and inputted as combining platform second; CDMA transparent transmission filter input end mouths are connected by tap line with the 3rd connector, are exported as combining platform first;CDMA is saturating Pass filter input end mouth to be connected with the 4th connector by tap line, exported as combining platform second;And CDMA transparent transmissions are filtered Ripple device input port, output port connect first to fourth connector with the output port of two high-pass filters respectively and are arranged on The side of cavity;CDMA wave filters input, isolation by high-pass filtering is exported, realize CDMA transparent transmission function; FDD The input of LTE1.8G bandpass filters, the input of WCDMA bandpass filters are in the environment of closing, by between each passage Transmit, then by electric bridge chamber combining, then through high pass filter filters, common output mouth, realize Two In and Two Out combining system.
In an embodiment of the present invention, first to fourth connector shell uses brass, and electroplate, inner core material is beryllium Bronze, surface plating ternary alloy three-partalloy.
In an embodiment of the present invention, the electric bridge chamber is provided with two transfer rods and 5 mounting medium bars;Two transfer rods Transmission coupling.
In an embodiment of the present invention, the first copper facing of the cavity, resonant column, cover inner surface and transfer rod is silver-plated again.
In an embodiment of the present invention, the cavity is connected with cover plate by screw rod.
In an embodiment of the present invention, the cavity is rectangle;There is mounting hole at the cavity corner, cover plate is correspondingly provided with Breach.
Working frequency of the present invention be 825-880MHz, 1735-1785&1830-1880MHz, 1940~1955&2130~ The passive device such as 2145MHz, highly integrated combiner, electric bridge, wave filter, small volume, index is good, can meet UNICOM and electricity Believe indoor distributed system use demand.
The present invention solves telecommunications CDMA (transparent transmission), UNICOM WCDMA, UNICOM FDD LTE1.8, telecommunications FDD LTE1.8 etc. Frequency combining, the integrated combiner structure is simple, and pad is few, and debugging is easy, and size is small, and Insertion Loss is small, mutual tuning, in industry The inside has great advantage.
Brief description of the drawings
Fig. 1 is the structural representation after cover plate of the present invention is opened.
Fig. 2 is covering plate structure schematic diagram of the present invention.
【Label declaration】1-WCDMA input port connectors, 2-FDD LTE1.8G input port connectors, 3- output ends 1 connector of mouth, the connector of 4- output ports 2,5- tap lines, 6- tap lines, 7- cavitys, 8-WCDMA high-pass filter resonators, 9-FDD LTE1.8G high-pass filter resonators, 10- cavity 3dB electric bridges, 11- high-pass filter resonators, 12-CDMA transparent transmissions High-pass filter resonator, 13-WCDMA resonant columns W, 14-FDD LTE1.8G resonant columns F, 15-FDD WCDMA and LTE1.8G Resonant column FW, 16-CDMA resonant column C, 17- cavity tuning plug T1,18Z- electric bridge tuning plug T2,19-1- fly bar 1, and 19-2- flies bar 2,20-1- transfer rods 1,20-2- transfer rods 2,20-3- transfer rods 3,21-1- insulating supportings neck 1,22- insulating supporting necks 22-3- insulation support rods, 23- cover plates, 24- cover plate screw holes T3.
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
The present invention provides a kind of mutli-system integration integration combining platform, and it includes cavity and is engaged with the cavity Cover plate;The cavity is divided into FDD LTE 1.8G bandpass filters, WCDMA bandpass filters, two all-pass by isolation bar Road wide band filter, CDMA transparent transmissions wave filter, electric bridge chamber;The FDD LTE 1.8G bandpass filters, WCDMA bandpass filterings It is respectively connected between device, two high channel wide band filters, electric bridge chamber by transfer rod;It is all provided with each bandpass filter cavity There are multiple resonant columns, the adjacent resonant column of same bandpass filter intracavitary is provided with coupling window.
In an embodiment of the present invention, 4 tep reel resonant columns are provided with CDMA wave filters, finally realize 825-880MHz frequencies Rate.(UNICOM)9 resonant columns are provided with WCDMA wave filters, finally realize 1940-2145MHz frequencies.(telecommunications and UNICOM) FDD LTE 1.8G wave filters are provided with 8 resonant columns, 2 winged bars fixed with medium in using, and finally realize 1735-1785&1830- 1880MHz frequencies.All-pass wide frequency wave filter is respectively provided with 4 resonant columns in using, and finally realizes 1735-2145MHz frequencies.
In an embodiment of the present invention, the cavity uses integrated die cast;;The resonant column is pressed using integration Type casting moulding.
In an embodiment of the present invention, FDD LTE 1.8G bandpass filters, WCDMA bandpass filterings chamber, two full tunnels Wide band filter, CDMA transparent transmissions wave filter are using coupling coaxial resonant cavity structure.
The combining platform of the present invention is Two In and Two Out combining system, including two output port ANT include telecommunications CDMA: 825-880MHz(Transparent transmission)Input, output end, two input ports are respectively:WCDMA:1940~1955&2130~ 2145MHz, UNICOM FDD LTE1.8& telecommunications FDD LTE1.8:1735-1785&1830-1880MHz.
In an embodiment of the present invention, WCDMA bandpass filters input port is connected with the first connector, is put down as combining Platform first inputs;FDD LTE1.8G bandpass filters input ports with and connector is connected and inputted as combining platform second; CDMA transparent transmission filter input end mouths are connected by tap line with the 3rd connector, are exported as combining platform first;CDMA is saturating Pass filter input end mouth to be connected with the 4th connector by tap line, exported as combining platform second;And CDMA transparent transmissions are filtered Ripple device input port, output port connect first to fourth connector with the output port of two high-pass filters respectively and are arranged on The side of cavity;CDMA wave filters input, isolation by high-pass filtering is exported, realize CDMA transparent transmission function; FDD The input of LTE1.8G bandpass filters, the input of WCDMA bandpass filters are in the environment of closing, by between each passage Transmit, then by electric bridge chamber combining, then through high pass filter filters, common output mouth, realize Two In and Two Out combining system.
In an embodiment of the present invention, first to fourth connector shell uses brass, and electroplate, inner core material is beryllium Bronze, surface plating ternary alloy three-partalloy, ensures connection reliability and intermodulation stability.
In an embodiment of the present invention, the electric bridge chamber is provided with two transfer rods and 5 mounting medium bars;Two transfer rods Transmission coupling.Electric bridge cavity is provided with 2 transfer rods and 5 mounting medium bars, is coupled using the transmission of two transfer rods, final real Existing 1735~1880MHz and 1940-2145MHz frequency combinings.
In an embodiment of the present invention, the first copper facing of the cavity, resonant column, cover inner surface and transfer rod is silver-plated again.
In an embodiment of the present invention, the cavity is connected with cover plate by screw rod.Screw rod is using M4 screw rods and above Upper M4 nuts, lower surface are polished rod.
In an embodiment of the present invention, the cavity is rectangle;There is mounting hole at the cavity corner, cover plate is correspondingly provided with Breach.
As shown in Figure 1-2:The present invention is a kind of UNICOM and the highly integrated integrated combining platform of the frequency Two In and Two Out of telecommunications three, 1-WCDMA input port connectors, 2-FDD LTE1.8G input port connectors, the connector of 3- output ports 1,4- output ends 2 connectors of mouth, 5- tap lines, 6- tap lines, 7- cavitys, 8-WCDMA high-pass filter resonators, 9-FDD LTE1.8G high passes Filter cavity, 10- cavity 3dB electric bridges, 11- high-pass filter resonators, 12-CDMA transparent transmission high-pass filter resonators, 13-WCDMA resonant columns W, 14-FDD LTE1.8G resonant columns F, 15-FDD WCDMA and LTE1.8G resonant columns FW, 16-CDMA are humorous Shake post C, 17- cavity tuning plug T1,18- electric bridge tuning plug T2,19-1- flies bar 1, and 19-2- flies bar 2,20-1- transfer rods 1,20- 2- transfer rods 2,20-3- transfer rods 3,21-1- insulating supportings neck 1,22- insulating supporting neck 22-3- insulation support rods, 23- Cover plate, 24- cover plate screw holes T3.
In the specific embodiment of the invention, cavity of the present invention, resonant column die casting are integrally formed, CDMA filter resonance posts C There are 4, FDD LTE1.8G filter resonance posts F there are 8, and WCDMA filter resonance posts W there are 9, two high-pass filters Resonant column FW shares 8, and 3dB electric bridges cavity is provided with 2 inner wires and 5 mounting medium bars, and the tap line 5,6 welds respectively It is connected on above connector 3 and transfer rod 20-3, the tuning plug T1 17, tuning plug T2 18 are installed using M4 screw rods and M4 nuts On G cover plates.Preferably, cavity 7, cover plate 23, resonant column, silver-plated 3 μm again of first 5 μm of the copper facing of connector shell, in joint Core plates 3 μm of ternary alloy three-partalloy, and connector 1,2,3,4 is screwed to be screwed in above cavity in cavity side, cover plate.
In an embodiment of the present invention, the size of CDMA transparent transmissions filter resonance post is:It is height 30mm, external diameter 10mm, interior Footpath 8mm and resonant rod disk diameter are 25mm.Telecommunications and the size of the filter resonance posts of UNICOM FDD LTE 1.8 are:Highly 28mm, external diameter 10mm and internal diameter 8mm.The size of UNICOM WCDMA filter resonance posts is:Height 26mm, external diameter 10mm and internal diameter 8mm.The size of full tunnel wide band filter resonant column is:Height 24mm, long 12mm, wide 10mm and internal diameter 8mm.Fly bar external diameter 8mm, length 25mm.
The present invention product sealing signal, can be better than client by the way that cavity, resonant column and mounting hole die casting are integrally formed Index, while resonant column and mounting hole need not be processed in addition, whole combiner only has four solder joints of two winged bars, reduces Cost and difficulty of processing, shorten the delivery cycle, the reachable -155dBc of third order intermodulation (+43dBm × 2) of the present invention below, isolation Up to more than 32dB, standing wave transmits below Insertion Loss 3.8dB below 1.2, and can realize CDMA transparent transmission functions, transparent transmission Insertion Loss 0.8dB Below.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that other are each under the enlightenment of the present invention One kind of kind form is applied to UNICOM and telecommunication path mutli-system integration integration combining platform.It is all according to the present patent application patent model Done equivalent changes and modifications are enclosed, should all belong to the covering scope of the present invention.

Claims (10)

  1. A kind of 1. mutli-system integration integration combining platform, it is characterised in that:The lid being engaged including cavity and with the cavity Plate;The cavity is divided into FDD LTE 1.8G bandpass filters, WCDMA bandpass filters, two full tunnels by isolation bar Wide band filter, CDMA transparent transmissions wave filter, electric bridge chamber;The FDD LTE 1.8G bandpass filters, WCDMA bandpass filters, It is respectively connected between two high channel wide band filters, electric bridge chamber by transfer rod;It is equipped with each bandpass filter cavity Multiple resonant columns, the adjacent resonant column of same bandpass filter intracavitary are provided with coupling window.
  2. 2. mutli-system integration integration combining platform according to claim 1, it is characterised in that:In the CDMA wave filters Provided with 4 tep reel resonant columns;9 resonant columns are provided with WCDMA wave filters;8 resonance are provided with FDD LTE 1.8G wave filters Post;Two all-pass wide frequency wave filters are respectively provided with 4 resonant columns in using;2 use are additionally provided with FDD LTE 1.8G wave filters The winged bar that medium is fixed.
  3. 3. mutli-system integration integration combining platform according to claim 1, it is characterised in that:The cavity is using one Change die cast;The resonant column uses integrated die cast.
  4. 4. mutli-system integration integration combining platform according to claim 1, it is characterised in that:FDD LTE 1.8G bands Bandpass filter, WCDMA bandpass filterings chamber, two full tunnel wide band filters, CDMA transparent transmissions wave filter are coaxial humorous using coupling Resonator structure.
  5. 5. mutli-system integration integration combining platform according to claim 1, it is characterised in that:WCDMA bandpass filters Input port is connected with the first connector, is inputted as combining platform first;FDD LTE1.8G bandpass filters input ports with The and connector connection inputs as combining platform second;CDMA transparent transmission filter input end mouths are connected by tap line and the 3rd Device connection is connect, is exported as combining platform first;CDMA transparent transmission filter input end mouths are connected by tap line and the 4th connector Connect, exported as combining platform second;And CDMA transparent transmission filter input ends mouth, output port are respectively and two high-pass filters Output port connection;
    First to fourth connector is arranged on the side of cavity;
    CDMA wave filters input, isolation by high-pass filtering is exported, realize CDMA transparent transmission function; FDD LTE1.8G The input of bandpass filter, the input of WCDMA bandpass filters are in the environment of closing, by the transmission between each passage, so Afterwards by electric bridge chamber combining, then through high pass filter filters, common output mouth, realize Two In and Two Out combining system.
  6. 6. mutli-system integration integration combining platform according to claim 5, it is characterised in that:First to fourth connector Shell uses brass, electroplate, and inner core material is beryllium-bronze, and ternary alloy three-partalloy is plated on surface.
  7. 7. mutli-system integration integration combining platform according to claim 1, it is characterised in that:The electric bridge chamber is provided with two Root transfer rod and 5 mounting medium bars;Two transfer rod transmission couplings.
  8. 8. mutli-system integration integration combining platform according to claim 1, it is characterised in that:Cavity, resonant column, cover plate Inner surface and the first copper facing of transfer rod are silver-plated again.
  9. 9. mutli-system integration integration combining platform according to claim 1, it is characterised in that:The cavity leads to cover plate Cross screw rod connection;Cavity tuning plug and electric bridge tuning plug are provided with the cover plate.
  10. 10. mutli-system integration integration combining platform according to claim 1, it is characterised in that:The cavity is rectangle; There is mounting hole at the cavity corner, cover plate is correspondingly provided with breach.
CN201710912050.0A 2017-09-29 2017-09-29 Integrated integration of multisystem closes way platform Active CN107658535B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021097399A (en) * 2019-12-17 2021-06-24 イランテックErangtek Filter with 5g shared coupling excellent pimd coupling method and filtering method
CN113644398A (en) * 2021-08-16 2021-11-12 广州宸伟网络科技有限公司 Multi-system combiner platform
CN113922028A (en) * 2021-09-26 2022-01-11 合肥海特微波科技有限公司 5G high-frequency capacity-expansion multi-network system platform for suppressing low-frequency multiple harmonics
CN114245487A (en) * 2021-12-29 2022-03-25 京信射频技术(广州)有限公司 Multi-system access platform

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101267220A (en) * 2007-03-12 2008-09-17 京信通信系统(中国)有限公司 Dual-frequency multiplexer
CA2725903A1 (en) * 2009-12-18 2011-06-18 Thales Compact and adjustable power divider and filter device
CN202662761U (en) * 2012-04-23 2013-01-09 安徽科瑞达通信科技有限公司 High-broadband four-way two-port united combiner for telecommunications
CN205543172U (en) * 2015-12-24 2016-08-31 南京广顺网络通信设备有限公司 GSM&DCS&TDA&TDF&TDE&TDDWLAN dual -port combiner
CN205680770U (en) * 2016-06-22 2016-11-09 上海欣民通信技术有限公司 Passive block for multisystem mixing
WO2017003042A1 (en) * 2015-07-01 2017-01-05 주식회사 이너트론 Multi-channel multiplexer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101267220A (en) * 2007-03-12 2008-09-17 京信通信系统(中国)有限公司 Dual-frequency multiplexer
CA2725903A1 (en) * 2009-12-18 2011-06-18 Thales Compact and adjustable power divider and filter device
CN202662761U (en) * 2012-04-23 2013-01-09 安徽科瑞达通信科技有限公司 High-broadband four-way two-port united combiner for telecommunications
WO2017003042A1 (en) * 2015-07-01 2017-01-05 주식회사 이너트론 Multi-channel multiplexer
CN205543172U (en) * 2015-12-24 2016-08-31 南京广顺网络通信设备有限公司 GSM&DCS&TDA&TDF&TDE&TDDWLAN dual -port combiner
CN205680770U (en) * 2016-06-22 2016-11-09 上海欣民通信技术有限公司 Passive block for multisystem mixing

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021097399A (en) * 2019-12-17 2021-06-24 イランテックErangtek Filter with 5g shared coupling excellent pimd coupling method and filtering method
JP7065915B2 (en) 2019-12-17 2022-05-12 イランテック 5G shared binding excellent PIMD binding method filter and filtering method
CN113644398A (en) * 2021-08-16 2021-11-12 广州宸伟网络科技有限公司 Multi-system combiner platform
CN113922028A (en) * 2021-09-26 2022-01-11 合肥海特微波科技有限公司 5G high-frequency capacity-expansion multi-network system platform for suppressing low-frequency multiple harmonics
CN114245487A (en) * 2021-12-29 2022-03-25 京信射频技术(广州)有限公司 Multi-system access platform
CN114245487B (en) * 2021-12-29 2024-01-26 京信射频技术(广州)有限公司 Multisystem access platform

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