CN201311970Y - Combined antenna interface structure - Google Patents
Combined antenna interface structure Download PDFInfo
- Publication number
- CN201311970Y CN201311970Y CNU2008202140374U CN200820214037U CN201311970Y CN 201311970 Y CN201311970 Y CN 201311970Y CN U2008202140374 U CNU2008202140374 U CN U2008202140374U CN 200820214037 U CN200820214037 U CN 200820214037U CN 201311970 Y CN201311970 Y CN 201311970Y
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- gps
- antenna
- interface structure
- antenna port
- combined
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Abstract
The utility model relates to a combined antenna interface structure, which comprises a GPS antenna port, a CDMA antenna port, a power supply network and a mode changing switch, wherein the mode changing switch controls connection of the GPS antenna port and the power supply network. The combined antenna interface structure not only consists of the GPS antenna port and the CDMA antenna port, but also provides connection options of the power supply network and the GPS antenna port, thereby the combined antenna interface structure can be adaptable to not only GPS active antennas but passive antennas, and has high compatibility, stable and reliable performance and wide applicable scope. The combined antenna interface structure can be used with GPS active antennas when users have higher gain requirement to GPS and also can be used with GPS passive antennas when users have no requirement on high gain, thereby being capable of meeting requirements upon gain and flexibility of antennas for various GPS devices and realizing high compatibility and saving cost.
Description
Technical field
The utility model relates to wireless communication technology field, particularly uses the wireless module of antenna technology, specifically is meant a kind of wireless module combined antenna interface structure.
Background technology
Domestic global positioning system (GPS), CDMA mobile telecommunication (CDMA) multifunctional application is based on the GPS location technology at present, by cellular radio Communication (GSM), CDMA global system for mobile communications and computer network system and corresponding management organization, serve the social service system of moving vehicle and ship.It can realize supervision, scheduling and the control of multiple scale, various ways, under corresponding institutional coordination, can feed back and handle various types of incidents and service request fast and efficiently.GPS and cdma system are at current wireless communication technology field, particularly use in the wireless module of antenna technology and be widely used, wherein gps antenna comprises active gps antenna and passive gps antenna, the GPS active antenna is built-in low noise amplifier, gain amplifier is arranged, GPS is highly sensitive, needs the power supply power supply; Passive gps antenna does not have gain amplifier, and slightly inferior properties does not need the power supply power supply, and is cheap.
The gps antenna gain that different occasions need is different, at machine and equipment, and industrial automation control, fields such as remotely-sensed data acceptance are not subjected to the interference of environment for making the wireless receiving performance, and reliability requirement is than higher, require better antenna performance, need to use active gps antenna.And hand-held relatively good with mobile unit signal in the city, be to save cost, need to use the GPS passive antenna.
The combined antenna interface structure of present gps antenna and CDMA antenna only can be applicable to one of GPS active antenna or GPS passive antenna, need design different antennal interface structures to different user demands, poor compatibility, restricted application can't satisfy user's needs.
Summary of the invention
The purpose of this utility model is at the problem of the antennal interface structure compatible difference of wireless module in the prior art, provides a kind of and can adapt to the varying environment factor, satisfies the wireless module combined antenna interface structure of multiple demand.
To achieve these goals, the technical scheme of combined antenna interface structure employing of the present utility model is:
A kind of combined antenna interface structure comprises gps antenna port and CDMA antenna port, it is characterized in that, also comprises supply network and mode conversion switch, and described mode conversion switch control gps antenna port is connected with supply network.
The beneficial effects of the utility model are: the combined antenna interface structure not only comprises gps antenna port and CDMA antenna port, the be connected selection of supply network with the gps antenna port also is provided, described combined antenna interface structure had both gone for the GPS active antenna, also go for the GPS passive antenna, compatible strong, stable and reliable working performance, the scope of application are comparatively extensive, can use the GPS active antenna to what GPS had that higher antenna gain requires on this combined antenna interface structure; The GPS passive antenna can be on this combined antenna interface structure, used to what do not need high-gain very, thereby of requirement and the sensitivity requirement of various GPS equipment can be satisfied antenna gain, compatible strong, save cost.
Description of drawings
The combined antenna interface structure schematic diagram that Fig. 1 is provided for the utility model one embodiment;
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, wherein identical from start to finish or similar label is represented identical or similar elements, and perhaps, identical from start to finish or similar label represents to have the element of identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
Disclose a kind of combined antenna interface structure in embodiment of the present utility model, it is applicable to wireless communication technology field, particularly uses the wireless module of antenna technology.Those skilled in the art also can carry out adaptability revision to the combined antenna interface structure according to applied wireless module when implementing the utility model.The description of following specific embodiment is for exemplary purposes, and can not think the restriction to protection range of the present utility model.
Gps antenna comprises active gps antenna and passive gps antenna, and the GPS active antenna is built-in low noise amplifier has gain amplifier, and GPS is highly sensitive, needs the power supply power supply; Passive gps antenna does not have gain amplifier, and slightly inferior properties does not need the power supply power supply, and is cheap.
The gps antenna gain that different occasions need is different, at machine and equipment, and industrial automation control, fields such as remotely-sensed data acceptance are not subjected to the interference of environment for making the wireless receiving performance, and reliability requirement is than higher, require better antenna performance, need to use active gps antenna.And hand-held relatively good with mobile unit signal in the city, be to save cost, need to use the GPS passive antenna.
As shown in Figure 1, be a kind of combined antenna interface structure provided by the utility model, comprise gps antenna port and CDMA antenna port, the combined antenna interface structure also comprises supply network and mode conversion switch, and described mode conversion switch control gps antenna port is connected with the power supply supply network.
Described combined antenna interface structure also comprises filtering unit, and described filtering unit is connected with the gps antenna port with mode conversion switch.Filtering unit can be at least one filter capacitor.
At described gps antenna port installing GPS active antenna, described mode conversion switch closure, supply network is connected with the GPS active antenna, direct current is provided for the GPS active antenna.At this moment, filtering unit can be direct current stably with the current filtering of supply network.
At described gps antenna port installing GPS passive antenna, described mode conversion switch is opened, and supply network disconnects with the GPS passive antenna and being connected, and the GPS passive antenna can be connected directly to the gps antenna port of wireless module.
The wireless module master chip that described combined antenna interface structure also comprises a mixer and links to each other with mixer, described mixer connects gps antenna port and CDMA antenna port.
In the above-described embodiments, mode conversion switch can be wire jumper or 0 Ohmic resistance, and described wire jumper or 0 Ohmic resistance connect supply network and gps antenna port.When wire jumper or 0 Ohmic resistance disconnect, be connected interruption between gps antenna port and the supply network.
The combined antenna interface structure not only comprises gps antenna port and CDMA antenna port, receiving function with CDMA and gps signal, the be connected selection of supply network with the gps antenna port also is provided, described combined antenna interface structure had both gone for the GPS active antenna, also go for the GPS passive antenna, compatible strong, stable and reliable working performance, the scope of application is comparatively extensive, can use the GPS active antenna to what GPS had that higher antenna gain requires on this combined antenna interface structure; The GPS passive antenna can be on this combined antenna interface structure, used to what do not need high-gain very, thereby of requirement and the sensitivity requirement of various GPS equipment can be satisfied antenna gain, compatible strong, save cost.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1, a kind of combined antenna interface structure comprises gps antenna port and CDMA antenna port, it is characterized in that, also comprises supply network and mode conversion switch, and described mode conversion switch control gps antenna port is connected with supply network.
2, combined antenna interface structure as claimed in claim 1 is characterized in that, at described gps antenna port installing GPS active antenna; Described mode conversion switch closure; Supply network is connected with the GPS active antenna.
3, combined antenna interface structure as claimed in claim 1 is characterized in that, at described gps antenna port installing GPS passive antenna; Described mode conversion switch is opened; Supply network disconnects with the GPS passive antenna and being connected.
4, combined antenna interface structure as claimed in claim 1 is characterized in that, described combined antenna interface structure also comprises filtering unit, and described filtering unit is connected with the gps antenna port with mode conversion switch.
5, combined antenna interface structure as claimed in claim 1 is characterized in that, the wireless module master chip that described combined antenna interface structure also comprises a mixer and links to each other with mixer, and described mixer connects gps antenna port and CDMA antenna port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202140374U CN201311970Y (en) | 2008-11-27 | 2008-11-27 | Combined antenna interface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202140374U CN201311970Y (en) | 2008-11-27 | 2008-11-27 | Combined antenna interface structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201311970Y true CN201311970Y (en) | 2009-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202140374U Expired - Lifetime CN201311970Y (en) | 2008-11-27 | 2008-11-27 | Combined antenna interface structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN201311970Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819276A (en) * | 2010-03-26 | 2010-09-01 | 东南大学 | GPS L1 signal intermediate frequency data acquisition system and method |
| CN104269660A (en) * | 2014-10-17 | 2015-01-07 | 成都九华圆通科技发展有限公司 | Broadband receiving antenna with active antenna and passive antenna switching function |
| CN104768237A (en) * | 2015-04-22 | 2015-07-08 | 重庆长安汽车股份有限公司 | Device and method for enabling vehicle-mounted terminal to be compatible with active and passive antennas |
| CN110221323A (en) * | 2019-05-28 | 2019-09-10 | 深圳市广和通无线股份有限公司 | GPS antenna component and system |
| CN112909585A (en) * | 2021-05-07 | 2021-06-04 | 智道网联科技(北京)有限公司 | Antenna device of intelligent networking equipment and control method |
-
2008
- 2008-11-27 CN CNU2008202140374U patent/CN201311970Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819276A (en) * | 2010-03-26 | 2010-09-01 | 东南大学 | GPS L1 signal intermediate frequency data acquisition system and method |
| CN104269660A (en) * | 2014-10-17 | 2015-01-07 | 成都九华圆通科技发展有限公司 | Broadband receiving antenna with active antenna and passive antenna switching function |
| CN104768237A (en) * | 2015-04-22 | 2015-07-08 | 重庆长安汽车股份有限公司 | Device and method for enabling vehicle-mounted terminal to be compatible with active and passive antennas |
| CN104768237B (en) * | 2015-04-22 | 2018-08-14 | 重庆长安汽车股份有限公司 | Car-mounted terminal is compatible with active and passive antenna device and method |
| CN110221323A (en) * | 2019-05-28 | 2019-09-10 | 深圳市广和通无线股份有限公司 | GPS antenna component and system |
| CN112909585A (en) * | 2021-05-07 | 2021-06-04 | 智道网联科技(北京)有限公司 | Antenna device of intelligent networking equipment and control method |
| CN112909585B (en) * | 2021-05-07 | 2021-08-17 | 智道网联科技(北京)有限公司 | Antenna device of intelligent networking equipment and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090916 |
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| CX01 | Expiry of patent term |