CN102185621A - Antenna shifting device and signal receiving equipment - Google Patents
Antenna shifting device and signal receiving equipment Download PDFInfo
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- CN102185621A CN102185621A CN 201110059152 CN201110059152A CN102185621A CN 102185621 A CN102185621 A CN 102185621A CN 201110059152 CN201110059152 CN 201110059152 CN 201110059152 A CN201110059152 A CN 201110059152A CN 102185621 A CN102185621 A CN 102185621A
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Abstract
The invention relates to an antenna shifting device and signal receiving equipment, wherein the antenna shifting device comprises a control module, a combining module, a transmission line and an isolation module, wherein the isolation module is used for conducting the signal of the transmission line and isolating the reflecting signal of the combining module; and the signal receiving equipment comprises an external antenna, an internal antenna, an antenna shifting device and a signal processing module. The antenna shifting device and the signal receiving equipment have the advantages of improving the compatibility of the internal antenna and the external antenna and the precision and reliability of the signal receiving equipment.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of antenna-switching device and signal receiver.
Background technology
Along with the continuous development of satellite navigation and measuring technique, global position system has also obtained increasingly extensive application.At present, the existing a plurality of countries in the whole world have set up the global position system of oneself, as the dipper system of China, the global positioning system of the U.S. (Global Positioning System, GPS), Muscovite GPS (Global Position System) (Global Navigation Satellite System, GLONASS) and Europe the Galileo NAVSTAR.Along with the in-depth of the continuous maturation and the civil nature process of these satellite systems, measure antenna as the high performance signal receiving equipment of one of global position system key technology, become a hot spot technology that receives much attention.
Be subjected to the influence of factor in many ways, satellites transmits is very faint to the signal on ground, very easily be subjected to extraneous interference, thereby the research of high performance antenna is just arisen at the historic moment.When operational environments such as receiving equipment is in office operation, seriously blocks, strong jamming, the great test that the performance of receiving equipment built-in aerial is subjected to, the rapid variation of performance, even can can't work.In order to address this problem, the GPS external antenna has become the indispensable device of many high-side signal receiving equipments, and this makes inside and outside compatibility of putting antenna become hot issue.
At present by solving the inside and outside antenna compatibility issue of putting in the inside and outside mode of setting up antenna-switching device between the antenna of putting.As shown in Figure 1, the existing principle schematic of antenna-switching device in signal receiver; Signal receiver comprises control module 1, antenna-switching device 2, built-in aerial 3, external antenna 4, signal processing module 5; Antenna-switching device 2 comprises transmission line 21 and closes road module 22; Control module 1 is connected with external antenna 4 with built-in aerial 3, is used to built-in aerial 3 or external antenna 4 power supplies; Transmission line 21 1 ends are connected with external antenna 4, an end with close road module 22 and be connected, be used for the signal that external antenna 4 receives sent to and close road module 22; Close road module 22 and be connected, be transferred to signal processing module 5 after being used for the signal from built-in aerial 3 or external antenna 4 closed the road with built-in aerial 3; The course of work of signal receiver is as follows: when using built-in aerial 3, control module 1 provides operating voltage for built-in aerial 3, cuts off the operating voltage of external antenna 4 simultaneously, and the signal that receives of signal processing module 5 is just from built-in aerial 3 like this; Same reason, when using external antenna 4, control module 1 provides operating voltage for external antenna 4, cut off the operating voltage of built-in aerial 3 simultaneously, the signal that external antenna 4 receives arrives through transmission line 21 and closes road module 22, close and be transferred to signal processing module 5 again after road module 22 is handled, the signal that receives of signal processing module 5 is just from external antenna 4 like this.
In actual use, because the model of external antenna 4 has nothing in common with each other, and the occasion of using also can change, so the length of transmission line 21 also has very big difference, and different length of cable is different with the coupling of closing road module 22, and this makes in configuration external antenna 4, often will consider the influence to built-in aerial 3, when mis-arrange, the performance of antenna is sharply descended.
Summary of the invention
The purpose of this invention is to provide a kind of antenna-switching device and signal receiver, to improve the inside and outside incompatible problem of antenna of putting in the prior art, the present invention is by increasing the inside and outside isolation of antenna of putting to improve inside and outside compatibility of putting antenna.
The present invention proposes a kind of antenna-switching device, comprise and close road module and transmission line; Above-mentioned antenna-switching device also comprises an isolation module above-mentioned closing between road module and the above-mentioned transmission line, is used for the signal of the above-mentioned transmission line of conducting and isolates the above-mentioned reflected signal that closes the road module.
The present invention has further proposed a kind of signal receiver, comprises external antenna, built-in aerial, control module, antenna-switching device and signal processing module, and above-mentioned control module is connected with above-mentioned external antenna and above-mentioned built-in aerial; Above-mentioned antenna-switching device comprises and closes road module and transmission line, and an above-mentioned input that closes the road module is connected with above-mentioned built-in aerial, and another input is connected with above-mentioned transmission line, and output is connected with above-mentioned signal processing module; Above-mentioned transmission line connects above-mentioned external antenna; Above-mentioned antenna-switching device also comprises an isolation module above-mentioned closing between road module and the transmission line, be used for the signal of the above-mentioned transmission line of conducting and isolate the above-mentioned reflected signal that closes the road module.
The above-mentioned antenna-switching device of the present invention adopts isolation module to improve the inside and outside isolation of putting antenna, makes their also corresponding raising of compatibility, thereby the received signal of the signal processing module of signal receiver that make to use above-mentioned antenna-switching device is more stable, and then has improved the precision and the reliability of signal receiver; The present invention has also eliminated internal, the influence of external antenna on coupling of length of transmission line simultaneously.Antenna-switching device handling ease of the present invention, assembling is simple, and high conformity is fit to produce in batches.Antenna-switching device of the present invention is applicable to existing various antenna, is particularly useful for gps antenna and equipment, as GPS navigation instrument, handheld terminal etc.
Description of drawings
Fig. 1 is the existing principle schematic of antenna-switching device in signal receiver;
Fig. 2 is an antenna-switching device principle schematic of the present invention;
Fig. 3 is a signal receiver principle schematic of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Further specify technical scheme of the present invention below in conjunction with Figure of description and specific embodiment.
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 2, be the principle schematic of antenna-switching device of the present invention; Antenna-switching device 2 comprises transmission line 21, closes road module 22 and isolation module 23; Close road module 22 1 ends and be connected with built-in aerial 3, an end is connected with isolation module 23; Transmission line 21 1 ends are connected with isolation module 23, and the other end is connected with external antenna 4; Transmission line 21 is used to transmit the signal from external antenna 4; Isolation module 23 is used for the signal of conducting transmission line 21 and isolates and close the reflected signal of road module 22; Closing road module 22 is used for handling close the road from the inside and outside signal of putting antenna.
Isolation module 23 among the present invention can be existingly can realize an end Continuity signal, any one in the isolating device of an end reflected signal.
As shown in Figure 3, it is the principle schematic of signal receiver of the present invention, comprise control module 1, antenna-switching device 2, built-in aerial 3, external antenna 4 and signal processing module 5, antenna-switching device 2 links to each other with built-in aerial 3, external antenna 4 and signal processing module 5 respectively; Antenna-switching device 2 comprises transmission line 21, closes road module 22 and isolation module 23 as shown in Figure 2; Control module 1 is connected with built-in aerial 3 and external antenna 4; Close road module 22 1 ends and be connected with built-in aerial 3, an end is connected with isolation module 23; Transmission line 21 1 ends are connected with isolation module 23, and the other end connects external antenna 4.
When above-mentioned signal receiver used built-in aerial 3, control module 1 provided operating voltage for built-in aerial 3, makes built-in aerial 3 in running order, the signal that reception comes from the outside, cut off the operating voltage of external antenna 4 simultaneously, i.e. during built-in aerial 3 work, external antenna 4 is in closed condition; At this moment, though external antenna 4 is in closed condition, but there are high-frequency resistance in external antenna 4 and transmission line 21 equally with respect to closing road module 22, at transmission line 21 and close increased isolation module 23 between the road module 22 after, because the high isolation characteristic of isolation module 23, the high-frequency resistance of external antenna 4 and transmission line 21 can involutory road module 22 performance exert an influence, also almost not influence of isolation module 23 own involutory road module 22 performances in addition, like this, can also stable smoothly arriving signal processing module 5 after the signal ECDC road module 22 of built-in aerial 3; In addition, behind the increase isolation module 23, change the length of transmission line 21 in any case, perhaps change the impedance of external antenna 4, because the high isolation characteristic of isolation module 23 makes these change involutory road module 22 and also can not exert an influence.
When above-mentioned signal receiver uses external antenna 4, control module 1 provides operating voltage for external antenna 4, make external antenna 4 in running order, the signal that reception comes from the outside, cut off the operating voltage of built-in aerial 3 simultaneously, promptly, during external antenna 4 work, built-in aerial 3 is in closed condition, because built-in aerial 3 is the immobilising devices that are in signal receiver inside, the impedance when it is not worked is can calculate and metastable, like this, be complementary with it as long as close road module 22, then the performance of built-in aerial 3 involutory road modules 22 can not produce any influence; And the signal of external antenna 4 arrives isolation module 23 through transmission line 21,23 pairs of signals from transmission line 21 of isolation module play on state characteristic, arrive through isolation module 23 smoothly from the signal of external antenna 4 and to close road module 22, deliver to signal processing module 5 at last and handle.
In sum, the above-mentioned antenna-switching device of the present invention can well switch inside and outside putting between the antenna, and has guaranteed inside and outside compatibility of putting between the antenna.
Below only be the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, include in scope of patent protection of the present invention.
Claims (2)
1. antenna-switching device, described antenna-switching device comprise and close road module and transmission line; It is characterized in that described antenna-switching device also comprises an isolation module described closing between road module and the described transmission line, be used for the signal of the described transmission line of conducting and isolate the described reflected signal that closes the road module.
2. signal receiver, comprise external antenna, built-in aerial, control module, antenna-switching device and signal processing module, described control module is connected with described external antenna and described built-in aerial, described antenna-switching device comprises and closes road module and transmission line, a described input that closes the road module is connected with described built-in aerial, another input is connected with described transmission line, and output is connected with described signal processing module; Described transmission line connects described external antenna; It is characterized in that described antenna-switching device also comprises an isolation module described closing between road module and the transmission line, be used for the signal of the described transmission line of conducting and isolate the described reflected signal that closes the road module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110059152 CN102185621A (en) | 2011-03-11 | 2011-03-11 | Antenna shifting device and signal receiving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110059152 CN102185621A (en) | 2011-03-11 | 2011-03-11 | Antenna shifting device and signal receiving equipment |
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| CN102185621A true CN102185621A (en) | 2011-09-14 |
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| CN 201110059152 Pending CN102185621A (en) | 2011-03-11 | 2011-03-11 | Antenna shifting device and signal receiving equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084631A (en) * | 2012-11-14 | 2013-05-08 | 柳州易舟汽车空调有限公司 | Combined cutting tool for machine shell of scroll compressor |
| CN106443712A (en) * | 2016-09-05 | 2017-02-22 | 北京小米移动软件有限公司 | Device and system for enhancing navigation signal, mobile terminal and vehicle |
| CN107483737A (en) * | 2017-08-24 | 2017-12-15 | 深圳市盛路物联通讯技术有限公司 | A kind of antenna switching method and mobile terminal |
| CN108292940A (en) * | 2015-12-16 | 2018-07-17 | 瑞士优北罗股份有限公司 | The method for the signal that the transceiver devices of support day line options and processing receive |
| CN113507291A (en) * | 2021-07-07 | 2021-10-15 | 深圳市商汤科技有限公司 | Signal processing method and device, computer equipment and storage medium |
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| JPH06152455A (en) * | 1992-11-09 | 1994-05-31 | Osaka Gas Co Ltd | Receiver |
| EP0984508A2 (en) * | 1998-09-04 | 2000-03-08 | Lucent Technologies Inc. | Phase-tunable antenna feed network |
| CN1774837A (en) * | 2003-04-03 | 2006-05-17 | 基奥赛拉无线公司 | System and method for regulating antenna electrical length |
| JP2006325093A (en) * | 2005-05-20 | 2006-11-30 | Tooku:Kk | Portable radio equipment |
| CN201430587Y (en) * | 2009-06-05 | 2010-03-24 | 苏州艾福电子通讯有限公司 | Built-in isolator-type duplexer |
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2011
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06152455A (en) * | 1992-11-09 | 1994-05-31 | Osaka Gas Co Ltd | Receiver |
| EP0984508A2 (en) * | 1998-09-04 | 2000-03-08 | Lucent Technologies Inc. | Phase-tunable antenna feed network |
| CN1774837A (en) * | 2003-04-03 | 2006-05-17 | 基奥赛拉无线公司 | System and method for regulating antenna electrical length |
| JP2006325093A (en) * | 2005-05-20 | 2006-11-30 | Tooku:Kk | Portable radio equipment |
| CN201430587Y (en) * | 2009-06-05 | 2010-03-24 | 苏州艾福电子通讯有限公司 | Built-in isolator-type duplexer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084631A (en) * | 2012-11-14 | 2013-05-08 | 柳州易舟汽车空调有限公司 | Combined cutting tool for machine shell of scroll compressor |
| CN108292940A (en) * | 2015-12-16 | 2018-07-17 | 瑞士优北罗股份有限公司 | The method for the signal that the transceiver devices of support day line options and processing receive |
| CN108292940B (en) * | 2015-12-16 | 2021-03-23 | 瑞士优北罗股份有限公司 | Transceiver device, modem, communication device and method of processing signals |
| CN106443712A (en) * | 2016-09-05 | 2017-02-22 | 北京小米移动软件有限公司 | Device and system for enhancing navigation signal, mobile terminal and vehicle |
| CN106443712B (en) * | 2016-09-05 | 2019-04-16 | 北京小米移动软件有限公司 | Device, system, mobile terminal and the vehicle of enhanced navigation signal |
| CN107483737A (en) * | 2017-08-24 | 2017-12-15 | 深圳市盛路物联通讯技术有限公司 | A kind of antenna switching method and mobile terminal |
| CN107483737B (en) * | 2017-08-24 | 2020-06-19 | 深圳市盛路物联通讯技术有限公司 | Antenna switching method and mobile terminal |
| CN113507291A (en) * | 2021-07-07 | 2021-10-15 | 深圳市商汤科技有限公司 | Signal processing method and device, computer equipment and storage medium |
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Application publication date: 20110914 |