CN201215948Y - Antenna switching device and terminal - Google Patents
Antenna switching device and terminal Download PDFInfo
- Publication number
- CN201215948Y CN201215948Y CNU2008201186525U CN200820118652U CN201215948Y CN 201215948 Y CN201215948 Y CN 201215948Y CN U2008201186525 U CNU2008201186525 U CN U2008201186525U CN 200820118652 U CN200820118652 U CN 200820118652U CN 201215948 Y CN201215948 Y CN 201215948Y
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- China
- Prior art keywords
- external antenna
- antenna
- radio
- joint
- switch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an antenna reversing device and a terminal, the device comprises a RF switch, a first RF access, a second RF access, an antenna signal application module and an external antenna connector, wherein the RF switch is respectively connected with the antenna signal application module, the antenna signal application module, the first RF access and the second RF access, one end of the second RF access is connected with the RF switch, the other end is connected with a built-in antenna, one end of the external antenna connector is connected with the RF switch through the first RF access, and the other end is connected with the external antenna. The design of the radio terminal embodies better flexibility and freedom through replacing a physical connecting antenna converting mode of the radio terminal by a circuit type antenna converting mode.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of antenna-switching device and terminal.
Background technology
In the existing wireless terminal, much contain built-in and external antenna simultaneously, during data services such as this type of end product is surfed the Net when using, visual telephone, because the receptivity of built-in aerial all can be than external antenna difference usually, therefore under the more weak situation of outer signals, use built-in aerial can cause the decline significantly of networking speed or normal data service to carry out, in this case, the user can improve receptivity by connecting an external antenna, ensures the carrying out of operate as normal.
What external antenna switching scheme adopted usually in existing is the antenna switching scheme of physics formula, mainly be by on the radio frequency path of wireless terminal, increasing a radio-frequency joint, when needs are used external antenna, the external antenna joint is inserted this radio-frequency (RF) switch, thereby radio frequency path and built-in aerial are disconnected and switch on the external antenna, because radio-frequency (RF) switch all belongs to the device of plug-in basically, useful life is all very short, so cause the product repair rate that makes in this way very high.In addition, because the wireless terminal handover scheme of this physics formula must switch on the external antenna by disconnecting built-in aerial radio frequency main road, it is very near that two antennas of needs lean on, and therefore identifier ID and the structural design for the bigger wireless terminal product of volume causes very big restriction.
In realizing process of the present utility model, the inventor finds that prior art has following shortcoming:
The interior external antenna switching scheme of physics formula causes very big restriction for the design of wireless terminal.
The utility model content
The utility model discloses a kind of antenna-switching device and a kind of terminal, realize selecting and switching built-in aerial or external antenna so that terminal connects by circuit with antenna-switching device.
The utility model provides a kind of antenna-switching device, comprises radio-frequency (RF) switch, first radio frequency path, second radio frequency path, aerial signal application module and external antenna joint;
Described radio-frequency (RF) switch connects described aerial signal application module, described first radio frequency path, described second radio frequency path respectively;
Described second radio frequency path, one end is connected with described radio-frequency (RF) switch, and the other end is connected with built-in aerial;
Described external antenna joint one end is connected with described radio-frequency (RF) switch by described first radio frequency path, and the other end is connected with external antenna.
The utility model also provides a kind of terminal with antenna-switching device, comprise external antenna, built-in aerial, also comprise antenna-switching device, described antenna-switching device further comprises: radio-frequency (RF) switch, first radio frequency path, second radio frequency path, aerial signal application module and external antenna joint;
Described radio-frequency (RF) switch connects described aerial signal application module, described first radio frequency path, described second radio frequency path respectively;
Described external antenna is connected with described radio-frequency (RF) switch by described external antenna joint, described first radio frequency path successively;
Described built-in aerial is connected with described radio-frequency (RF) switch by described second radio frequency path.
Compared with prior art, the utility model makes the design indicates of wireless terminal go out greater flexibility and freedom by the antenna switching scheme that the interior external antenna switching scheme alternative physical formula that wireless terminal is adopted circuit type connects.
Description of drawings
Fig. 1 is the structural representation of antenna-switching device of the present utility model;
Fig. 2 is the structural representation with terminal of antenna-switching device of the present utility model;
Fig. 3 is the circuit working principle schematic of execution mode one of the present utility model;
Fig. 4 is the circuit working principle schematic of execution mode two of the present utility model.
Embodiment
The utility model is in the wireless terminal of external antenna in containing, the interior external antenna switching scheme of physics formula is changed into the interior external antenna switching scheme of circuit interconnection system, by radio-frequency (RF) switch decide the aerial signal application module be select built-in aerial or or the selection external antenna, avoided when the design wireless terminal, being subjected to built-in and external two kinds of problems that antenna influences, increased the degree of freedom of product shape design greatly.
Below in conjunction with drawings and Examples the utility model is described in further detail.
In the utility model, if the external antenna joint has been connected external antenna, then the aerial signal application module automatically switches on the external antenna, if the external antenna joint is not connected external antenna, then the automatic switchover of aerial signal application module is got back on the built-in aerial.
As shown in Figure 1, the structural representation for antenna-switching device of the present utility model comprises:
Radio-frequency (RF) switch 30, first radio frequency path 40, second radio frequency path 50, aerial signal application module 70 and external antenna joint 60;
Radio-frequency (RF) switch 30 connects aerial signal application module 70, first radio frequency path 40, second radio frequency path 50 respectively;
Second radio frequency path, 50 1 ends are connected with radio-frequency (RF) switch 30, and the other end is connected with built-in aerial 10;
In another embodiment of the utility model, described external antenna joint 60 directly is connected with the contact of described external antenna 20; Or described external antenna joint 60 is connected with the contact of described external antenna 20 by the radio frequency cable.
Again among the embodiment, external antenna joint 60 is a screw-on external antenna radio-frequency joint at the utility model.
In the utility model, the realization of above-mentioned functions relies on is the functional characteristic of each electronic devices and components of adopting of antenna-switching device.
As shown in Figure 2, be the structural representation with terminal of antenna-switching device of the present utility model, comprise:
Radio-frequency (RF) switch 30 connects aerial signal application module 70, first radio frequency path 40, second radio frequency path 50 respectively;
Built-in aerial 10 is connected with radio-frequency (RF) switch 30 by second radio frequency path 50.
In the another embodiment of the utility model, external antenna joint 60 directly is connected with the contact of described external antenna 20; Or external antenna joint 60 is connected with the contact of described external antenna 20 by the radio frequency cable.
Again among the embodiment, external antenna joint 60 is a screw-on external antenna radio-frequency joint at the utility model.
In the utility model, the realization of above-mentioned functions relies on is the functional characteristic of each electronic devices and components of adopting of terminal.
As shown in Figure 3, be the circuit working principle schematic of execution mode one of the present utility model:
In the present embodiment, the external antenna joint of wireless terminal directly is connected with the contact of external antenna.
When the external antenna joint is connected first radio frequency path and external antenna, ANT_OUTER (external antenna) is chosen as low level by toggle switch, then V1 is a low level, NMOS manages not conducting, V2 is a high level, radio-frequency (RF) switch disconnects the aerial signal application module and second radio frequency path, and the aerial signal application module and first radio frequency path are connected, and makes the aerial signal application module of terminal connect external antenna; When not connecing external antenna, promptly when the external antenna joint disconnects first radio frequency path and external antenna, ANT_OUTER is a high level, V1 is a high level, NMOS manages conducting, and V2 is a low level, and radio-frequency (RF) switch disconnects the aerial signal application module and first radio frequency path, and the aerial signal application module and second radio frequency path are connected, make the aerial signal application module of terminal connect built-in aerial (ANT_CELL).
The built-in aerial interface is generally bright copper pad; Be the reliability that realizes that the external antenna joint uses, can select the external antenna radio-frequency joint of screw-on to replace the external antenna radio-frequency joint of the plug-in used always, flexibility when switching reliability when using and design, the external antenna radio-frequency joint of screw-on to increase the external antenna radio-frequency joint can selection standard sub-miniature A connector or TNC joint.
In the present embodiment, the realization of above-mentioned functions relies on is the functional characteristic of each electronic devices and components of adopting of wireless terminal.
As shown in Figure 4, be the circuit working principle schematic of execution mode two of the present utility model:
In the present embodiment, the contact of external antenna joint and external antenna separates, and both connect by the radio frequency cable.
When the external antenna joint is connected first radio frequency path and external antenna, ANT_SWITCH_1 (external antenna) is chosen as low level by toggle switch, NMOS1 manages not conducting, NMOS2 manages conducting, then VRF1 is a low level, and VRF2 is a high level, and radio-frequency (RF) switch disconnects the aerial signal application module and second radio frequency path, and the aerial signal application module and first radio frequency path are connected, make the aerial signal application module of terminal connect external antenna; When radio frequency path does not connect external antenna, NMOS1 manages conducting, NMOS2 manages not conducting, then VRF1 is a high level, VRF2 is a low level, radio-frequency (RF) switch disconnects the aerial signal application module and first radio frequency path, and the aerial signal application module and second radio frequency path are connected, and makes the aerial signal application module of terminal connect built-in aerial ANT_CELL.
The built-in aerial interface is generally bright copper pad; Be the reliability that realizes that the external antenna joint uses, can select the external antenna radio-frequency joint of screw-on to replace the external antenna radio-frequency joint of the plug-in used always, flexibility when switching reliability when using and design, for example sub-miniature A connector or the TNC joint that the external antenna radio-frequency joint of screw-on can selection standard to increase the external antenna radio-frequency joint.
In the present embodiment, the realization of above-mentioned functions relies on is the functional characteristic of each electronic devices and components of adopting of wireless terminal.
In the present embodiment, because the contact of external antenna joint and external antenna is connected the flexibility of increase design wireless terminal that can be bigger by the radio frequency cable.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (8)
1, a kind of antenna-switching device is characterized in that, comprises radio-frequency (RF) switch, first radio frequency path, second radio frequency path, aerial signal application module and external antenna joint;
Described radio-frequency (RF) switch connects described aerial signal application module, described first radio frequency path, described second radio frequency path respectively;
Described second radio frequency path, one end is connected with described radio-frequency (RF) switch, and the other end is connected with built-in aerial;
Described external antenna joint one end is connected with described radio-frequency (RF) switch by described first radio frequency path, and the other end is connected with external antenna.
2, antenna-switching device according to claim 1 is characterized in that,
Described external antenna joint directly is connected with the contact of described external antenna.
3, antenna-switching device according to claim 1 is characterized in that,
Described external antenna joint is connected with the contact of described external antenna by the radio frequency cable.
4, as claim 1 to 3 antenna-switching device as described in each, it is characterized in that described external antenna joint is a screw-on external antenna radio-frequency joint.
5, a kind of terminal with antenna-switching device, comprise external antenna, built-in aerial, it is characterized in that, also comprise antenna-switching device, described antenna-switching device further comprises: radio-frequency (RF) switch, first radio frequency path, second radio frequency path, aerial signal application module and external antenna joint;
Described radio-frequency (RF) switch connects described aerial signal application module, described first radio frequency path, described second radio frequency path respectively;
Described external antenna is connected with described radio-frequency (RF) switch by described external antenna joint, described first radio frequency path successively;
Described built-in aerial is connected with described radio-frequency (RF) switch by described second radio frequency path.
6, as having the terminal of antenna-switching device as described in the claim 5, it is characterized in that,
Described external antenna joint directly is connected with the contact of described external antenna.
7, as having the terminal of antenna-switching device as described in the claim 5, it is characterized in that,
Described external antenna joint is connected with the contact of described external antenna by the radio frequency cable.
8, have the terminal of antenna-switching device as claim 5 to 7 as described in each, it is characterized in that described external antenna joint is a screw-on external antenna radio-frequency joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201186525U CN201215948Y (en) | 2008-05-30 | 2008-05-30 | Antenna switching device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201186525U CN201215948Y (en) | 2008-05-30 | 2008-05-30 | Antenna switching device and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201215948Y true CN201215948Y (en) | 2009-04-01 |
Family
ID=40521153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201186525U Expired - Lifetime CN201215948Y (en) | 2008-05-30 | 2008-05-30 | Antenna switching device and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201215948Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780793A (en) * | 2012-07-20 | 2012-11-14 | 惠州Tcl移动通信有限公司 | Mobile terminal compatible with internal antenna and external antenna |
| CN103682634A (en) * | 2012-09-10 | 2014-03-26 | 上海斐讯数据通信技术有限公司 | Antenna system and wireless gateway device |
| CN105933476A (en) * | 2016-05-31 | 2016-09-07 | 芜湖辉灿电子科技有限公司 | Mobile phone antenna with prompting function |
-
2008
- 2008-05-30 CN CNU2008201186525U patent/CN201215948Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780793A (en) * | 2012-07-20 | 2012-11-14 | 惠州Tcl移动通信有限公司 | Mobile terminal compatible with internal antenna and external antenna |
| CN102780793B (en) * | 2012-07-20 | 2016-02-10 | 惠州Tcl移动通信有限公司 | The mobile terminal of compatible built-in aerial and external antenna function |
| CN103682634A (en) * | 2012-09-10 | 2014-03-26 | 上海斐讯数据通信技术有限公司 | Antenna system and wireless gateway device |
| CN103682634B (en) * | 2012-09-10 | 2018-05-18 | 上海斐讯数据通信技术有限公司 | Antenna system and wireless gateway device |
| CN105933476A (en) * | 2016-05-31 | 2016-09-07 | 芜湖辉灿电子科技有限公司 | Mobile phone antenna with prompting function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUAWEI DEVICE CO., LTD. Free format text: FORMER NAME: SHENZHEN HUAWEI TECHNOLOGY CO. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee after: Huawei Device Co., Ltd. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee before: Shenzhen Huawei Communication Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090401 |
|
| CX01 | Expiry of patent term |