CN201294518Y - Wireless communication multi-band radio frequency switching-in module device - Google Patents

Wireless communication multi-band radio frequency switching-in module device Download PDF

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Publication number
CN201294518Y
CN201294518Y CNU2008201611394U CN200820161139U CN201294518Y CN 201294518 Y CN201294518 Y CN 201294518Y CN U2008201611394 U CNU2008201611394 U CN U2008201611394U CN 200820161139 U CN200820161139 U CN 200820161139U CN 201294518 Y CN201294518 Y CN 201294518Y
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China
Prior art keywords
output signal
port
signal port
gsm
cavity
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Expired - Fee Related
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CNU2008201611394U
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Chinese (zh)
Inventor
董后友
肖本明
姜树海
汪家恩
时玉彬
张劲松
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Anhui Kradio Communication & Technology Co Ltd
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Anhui Kradio Communication & Technology Co Ltd
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Priority to CNU2008201611394U priority Critical patent/CN201294518Y/en
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Publication of CN201294518Y publication Critical patent/CN201294518Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a wireless communication multi-band radiofrequency mixed device, which is equipped with a solid metal block, wherein four speared cavities are processed in the metal block, one side of the metal block is equipped with an ANT antenna port and a DUP coupling detection port, and one side of the opposite surface of the metal block is equipped with a GSM/CDMA output signal port, a DCS output signal port, a TD-SCDMA output signal port, a phs output signal port and a mixed device signal coupling detection circuit port. Besides the cavity which corresponds to the phs output signal port, the three cavities are designed with a plurality of resonance rods, coupling columns, adjusting rod components and an out-band frequency control elements which have different specifications according to different frequency. Through using the wireless communication multi-band radiofrequency mixed device, a plurality of mobile switching centers just need to use a transmission line to connect with a plurality of base stations, thereby saving transmission lines, being capable of leading existing resources to be fully used, and reducing the building cost. The device has big power capacity, low loss, unobstructed signal transmission, and convenient installation maintenance.

Description

A kind of radio communication multi-frequency band radio-frequency closes the road modular device
Technical field:
The utility model relates to wireless communication apparatus, and a kind of specifically radio communication multi-frequency band radio-frequency closes the road modular device.
Background technology:
Along with the constantly development of country's reform and opening-up, living standards of the people are also improving constantly, and various mobile communication system are come into people's life gradually, and each operator also occupies own proprietary frequency band one after another, build out own distinctive cordless communication network.As the GSM that China Mobile uses, the CDMA that UNICOM uses, the Personal Handyphone System that China Telecom uses, TD-SCDMA that DCS that distribute computer control system is used and technology are mature on the whole or the like.But the multi-frequency band radio-frequency that uses closes the relatively unification of road module input signal at present, the CDMA of input and output simultaneously signal, GSM signal, DCS signal etc.In the use, when the GSM signal by the time just must use cable to connect corresponding filter, re-use cable connection corresponding D CS signal filtering device during use DCS signal, can lose a large amount of signals like this.When the filtering product that uses breaks down at present, lack the relevant detection port, the attendant must use large-scale checkout equipment to detect the filter that corresponding cable connects one by one, has so both strengthened the preventive maintenance time amount, has also brought adverse effect for whole system work.The problem that present filtering product also exists high-capacity power to be difficult to pass through, when high-power signal by the time close the road and may overheatedly damage.
Summary of the invention:
The utility model provides a kind of radio communication multi-frequency band radio-frequency to close the road modular device, the GSM/CDMA/DCS/TD-SCDMA network signal be can handle simultaneously, GSM network, cdma network, DCS network and shared antenna-feedback system of TD-SCDMA network or indoor distributed system realized.
The technical solution of the utility model:
A kind of radio communication multi-frequency band radio-frequency closes the road device: have the solid metal block of a rectangle, metal derby inside processes the cavity of four separations; Metal derby left side has ANT antenna port, the DUP detection port that is coupled, have GSM/CDMA output signal port, DCS output signal port, TD-SCDMA output signal port, Personal Handyphone System output signal port and mixer signal coupling testing circuit port on the metal derby right side, all corresponding cavity of each output signal port; GSM/CDMA output signal port, DCS output signal port, all with good grounds different frequency is provided with some resonant rods of different size in pairing three cavitys of TD-SCDMA output signal port, coupling column, adjusting rod assembly and the outer frequency of band suppress control element, be placed with mixer signal coupling testing circuit plate in the cavity of Personal Handyphone System output signal port correspondence, mixer signal coupling testing circuit plate is connected to the ANT antenna port by signal transmssion line, the DUP detection port that is coupled, mixer signal coupling testing circuit port and Personal Handyphone System output signal signal port, mixer signal coupling testing circuit plate is connected to the external power amplification module by closing road signal coupling testing circuit port; The signal transmssion line that connects from the ANT antenna port is divided into four the tunnel, three tunnel resonant rods that are connected respectively to the most close ANT antenna port in GSM/CDMA output signal port, DCS output signal port, pairing three cavitys of TD-SCDMA output signal port wherein, another road are connected to the mixer signal coupling testing circuit plate in the cavity of Personal Handyphone System output signal port correspondence; The resonant rod of the most close signal output port one end is connected respectively to GSM/CDMA output signal port, DCS output signal port and TD-SCDMA output signal port by signal transmssion line in GSM/CDMA output signal port, DCS output signal port, pairing three cavitys of TD-SCDMA output signal port, and the mixer signal coupling testing circuit plate in the cavity of Personal Handyphone System output signal port correspondence is connected to Personal Handyphone System output signal port by signal transmssion line; Metal derby all is stamped top cover up and down, and some tuning screw rods are arranged on the top cover up and down, stretches to the resonant rod that each cavity is interior and cavity is interior respectively and screws togather; Cavity is outside equipped with mounting hole site and support.Described resonant rod is an open tubular column made of copper, and disk with holes made of copper can be arranged at the top; Tuning screw rod on the described top cover is to insert in the resonant rod; Described GSM/CDMA output signal port, DCS output signal port, TD-SCDMA output signal port, Personal Handyphone System output signal port all adopt the N-KFD-50 port.
The operation principle of utility model:
Multi-frequency band radio-frequency closes the modular device that the road module is synthetic one tunnel output of a kind of multichannel input signal energy is equal or unequal energy signal, and multi-frequency band radio-frequency closes the road module and has very wide frequency bandwidth characteristics.Close in the module application of road at multi-frequency band radio-frequency in addition and need to prove that base station or repeater signal feed-in mode are wireless, its information source is a wide spectrum, therefore requires narrow passband in some occasion, to guarantee the pure of signal; The signal feed-in mode of many signal filterings system is a cable, and signal is directly taken from information source, and information source is narrow spectrum signal.As mixer CDMA/GSM passage, channel width is 800-960MHz, and when inserting a GSM CF signal, because information source is a CF signal, the feed-in mode is a cable, only has this CF signal in the passage, does not have other interference signal.
Multi-frequency band radio-frequency closes the operation logic of road module: 1. GSM signal (885-960MHz) can carry out path with TD-SCDMA signal (2010-2025MHz).2. DCS signal (1710-1880MHz) and TD-SCDMA signal (2010-2025MHz) can be carried out path.3. can be with (CDMA/GSM) ﹠amp; (DCS/TD-SCDMA) C-path.One of them port covers CDMA and gsm system frequency range (800-960MHz), can import CDMA, GSM or its composite signal arbitrarily; The another port covers DCS, PHS, 3G and wlan system frequency range (1710-2500MHz), can import DCS, PHS, 3G, WLAN or its composite signal arbitrarily.4. (CDMA/GSM/DCS/TD-SCDMA) ﹠amp; The WLAN C-path.One of them port covers CDMA, GSM, DCS and TD-SCDMA system frequency range (824-960/1710-2170MHz), can import CDMA, GSM, DCS, TD-SCDMA or its composite signal arbitrarily; The another port covers wlan system frequency range (2400-2500MHz), can import the wlan system signal.GSM (885-960MHz), DCS (1710-1880MHz) and TD-SCDMA (2010-2025MHz) three road signals can be carried out C-path.GSM (885-960MHz), TD-SCDMA (2010-2025MHz), WLAN (2400-2500MHz) three road signals can be carried out C-path, frequency band signals closes road or input and output arbitrarily by that analogy.
Advantage of the present utility model:
Adopt the utility model can make a plurality of mobile switching centres only need use a transmission lines just can be connected, save transmission line, and existing resource is fully used, reducing the construction costs with a plurality of base stations.The rating of set capacity that the utility model provides is big, loss is little, the signal transmission is unobstructed, convenient for installation and maintenance.
Description of drawings:
Fig. 1 is the utility model Facad structure schematic diagram.
Fig. 2 is the utility model structure schematic diagram.
Wherein: 1, solid metal block 2, ANT antenna port 3, DUP coupling detection port 34, GSM/CDMA output signal port 5, DCS output signal port 6, TD-SCDMA output signal port 7, Personal Handyphone System output signal port 8, mixer signal coupling testing circuit port 9, resonant rod 10, coupling column 11, adjusting rod assembly and the outer frequency of band suppress control element 12, top cover 13, tuning screw rod 14, mixer signal coupling testing circuit plate 15, signal transmssion line 16, cavity
Embodiment:
A kind of radio communication multi-frequency band radio-frequency closes the road device: have the solid metal block 1 of a rectangle, metal derby inside processes the cavity 16 of four separations; Metal derby left side has ANT antenna port 2, the DUP detection port 3 that is coupled, have GSM/CDMA output signal port 4, DCS output signal port 5, TD-SCDMA output signal port 6, Personal Handyphone System output signal port 7 and mixer signal coupling testing circuit port 8 on the metal derby right side, all corresponding cavity 16 of each output signal port; GSM/CDMA output signal port 4, DCS output signal port 5, all with good grounds different frequency is provided with some resonant rods 9 of different size in TD-SCDMA output signal port 6 pairing three cavitys 16, coupling column 10, adjusting rod assembly and the outer frequency of band suppress control element 11, be placed with mixer signal coupling testing circuit plate 14 in the cavity 16 of Personal Handyphone System output signal port 7 correspondences, mixer signal coupling testing circuit plate 14 is connected to ANT antenna port 2 by signal transmssion line, the DUP detection port 3 that is coupled, mixer signal coupling testing circuit port 8 and Personal Handyphone System output signal signal port 7, mixer signal coupling testing circuit plate 14 is connected to the external power amplification module by closing road signal coupling testing circuit port 8; The signal transmssion line 15 that connects from ANT antenna port 2 is divided into four the tunnel, three tunnel resonant rods 9 that are connected respectively to the most close ANT antenna port 2 in GSM/CDMA output signal port 4, DCS output signal port 5, TD-SCDMA output signal port 6 pairing three cavitys 16 wherein, another road are connected to the mixer signals coupling testing circuit plate 14 in the cavity 16 of Personal Handyphone System output signal port 7 correspondences; The resonant rod 9 of the most close signal output port one end is connected respectively to GSM/CDMA output signal port 4, DCS output signal port 5 and TD-SCDMA output signal port 6 by signal transmssion line 15 in GSM/CDMA output signal port 4, DCS output signal port 5, TD-SCDMA output signal port 6 pairing three cavitys 16, and the mixer signal coupling testing circuit plate 14 in the cavity 16 of Personal Handyphone System output signal port 7 correspondences is connected to Personal Handyphone System output signal port 7 by signal transmssion line 15; Metal derby all is stamped top cover 12 up and down, and some tuning screw rods 13 are arranged on the top cover up and down, stretches to the resonant rod 9 that each cavity is interior and cavity is interior respectively and screws togather; Cavity is outside equipped with mounting hole site and support.Described resonant rod 9 is an open tubular column made of copper, and disk with holes made of copper can be arranged at the top; Tuning screw rod 13 on the described top cover is to insert in the resonant rod 9; Described GSM/CDMA output signal port 4, DCS output signal port 5, TD-SCDMA output signal port 6, Personal Handyphone System output signal port 7 all adopt the N-KFD-50 port.

Claims (2)

1, a kind of radio communication multi-frequency band radio-frequency closes the road device, it is characterized in that: have the solid metal block of a rectangle, metal derby inside processes the cavity of four separations; Metal derby left side has ANT antenna port, the DUP detection port that is coupled, have GSM/CDMA output signal port, DCS output signal port, TD-SCDMA output signal port, Personal Handyphone System output signal port and mixer signal coupling testing circuit port on the metal derby right side, all corresponding cavity of each output signal port; GSM/CDMA output signal port, DCS output signal port, all with good grounds different frequency is provided with some resonant rods of different size in pairing three cavitys of TD-SCDMA output signal port, coupling column, adjusting rod assembly and the outer frequency of band suppress control element, be placed with mixer signal coupling testing circuit plate in the cavity of Personal Handyphone System output signal port correspondence, mixer signal coupling testing circuit plate is connected to the ANT antenna port by signal transmssion line, the DUP detection port that is coupled, mixer signal coupling testing circuit port and Personal Handyphone System output signal signal port, mixer signal coupling testing circuit plate is connected to the external power amplification module by closing road signal coupling testing circuit interface; The signal transmssion line that connects from the ANT antenna port is divided into four the tunnel, three tunnel resonant rods that are connected respectively to the most close ANT antenna port in GSM/CDMA output signal port, DCS output signal port, pairing three cavitys of TD-SCDMA output signal port wherein, another road are connected to the mixer signal coupling testing circuit plate in the cavity of Personal Handyphone System output signal port correspondence; The resonant rod of the most close signal output port one end is connected respectively to GSM/CDMA output signal port, DCS output signal port and TD-SCDMA output signal port by signal transmssion line in GSM/CDMA output signal port, DCS output signal port, pairing three cavitys of TD-SCDMA output signal port, and the mixer signal coupling testing circuit plate in the cavity of Personal Handyphone System output signal port correspondence is connected to Personal Handyphone System output signal port by signal transmssion line; Metal derby all is stamped top cover up and down, and some tuning screw rods are arranged on the top cover up and down, stretches to the resonant rod that each cavity is interior and cavity is interior respectively and screws togather; Cavity is outside equipped with mounting hole site and support.
2, radio communication multi-frequency band radio-frequency according to claim 1 closes the road device, it is characterized in that: described resonant rod is an open tubular column made of copper, and disk with holes made of copper can be arranged at the top; Tuning screw rod on the described top cover is to insert in the resonant rod; Described GSM/CDMA output signal port, DCS output signal port, TD-SCDMA output signal port, Personal Handyphone System output signal port all adopt the N-KFD-50 port.
CNU2008201611394U 2008-10-20 2008-10-20 Wireless communication multi-band radio frequency switching-in module device Expired - Fee Related CN201294518Y (en)

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102683777A (en) * 2012-04-23 2012-09-19 安徽科瑞达通信科技有限公司 CDMA800 duplex filtering module with connecting plate on side of case body
CN104157941A (en) * 2014-08-08 2014-11-19 董后友 Low-loss high-stability 4GCDMA filter
CN104157939A (en) * 2014-08-08 2014-11-19 董后友 Low-loss high-stability 4GCDMA filter
CN104157938A (en) * 2014-08-08 2014-11-19 董后友 Low-loss high-stability 4GGSM filter
CN104157943A (en) * 2014-08-08 2014-11-19 董后友 Low-loss high-stability high-intermodulation dual-frequency 4G combiner
CN104167582A (en) * 2014-08-07 2014-11-26 董后友 Low-loss, high-stability and high-intermodulation double-frequency 4G combiner

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102683777A (en) * 2012-04-23 2012-09-19 安徽科瑞达通信科技有限公司 CDMA800 duplex filtering module with connecting plate on side of case body
CN104167582A (en) * 2014-08-07 2014-11-26 董后友 Low-loss, high-stability and high-intermodulation double-frequency 4G combiner
CN104157941A (en) * 2014-08-08 2014-11-19 董后友 Low-loss high-stability 4GCDMA filter
CN104157939A (en) * 2014-08-08 2014-11-19 董后友 Low-loss high-stability 4GCDMA filter
CN104157938A (en) * 2014-08-08 2014-11-19 董后友 Low-loss high-stability 4GGSM filter
CN104157943A (en) * 2014-08-08 2014-11-19 董后友 Low-loss high-stability high-intermodulation dual-frequency 4G combiner

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090819

Termination date: 20141020