CN204257806U - A kind of multimode switched antenna - Google Patents
A kind of multimode switched antenna Download PDFInfo
- Publication number
- CN204257806U CN204257806U CN201420578407.8U CN201420578407U CN204257806U CN 204257806 U CN204257806 U CN 204257806U CN 201420578407 U CN201420578407 U CN 201420578407U CN 204257806 U CN204257806 U CN 204257806U
- Authority
- CN
- China
- Prior art keywords
- antenna
- moving contact
- cabling
- pole switch
- frequency range
- Prior art date
- 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 - Fee Related
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Abstract
The utility model discloses a kind of multimode switched antenna, comprising: a double-pole switch, comprising: the first fixed contact, moving contact A and moving contact B, moving contact A connects earth terminal by one first antenna cabling, and moving contact B connects one first feedback point; One three-pole switch, comprise: the second fixed contact, moving contact C, moving contact D and moving contact E, second fixed contact connects the first fixed contact by one second antenna cabling, moving contact C connects one end of a third antenna cabling, the other end open circuit of third antenna cabling, moving contact D connects one second feedback point, and moving contact E opens a way; Wherein, select one of the first feedback point or the second feedback point by double-pole switch and three road switches, switch to corresponding working frequency range according to the antenna cabling of connected various combination simultaneously.
Description
Technical field
The utility model relates to antenna technical field, particularly a kind of antenna that can carry out switching between some frequency ranges.
Background technology
At present, various communication apparatus is more and more universal, and followed by development that is miniaturized and multifunction, communication apparatus starts to pursue multiband gradually.But, different frequency ranges needs to arrange corresponding antenna in communication apparatus respectively, such as a certain communication apparatus needs to be operated in frequency range A or frequency range B, so, needs to arrange the antenna that can be operated in frequency range A and the antenna that can be operated in frequency range B in this communication apparatus simultaneously.So, if communication apparatus needs to support more frequency range, so just need to arrange antenna in the more space of internal reservation, miniaturized demand cannot be met.
Utility model content
The utility model, for prior art above shortcomings, provides a kind of multimode switched antenna.The utility model is achieved through the following technical solutions:
A kind of multimode switched antenna, comprising:
One double-pole switch, comprising: the first fixed contact, moving contact A and moving contact B, and moving contact A connects earth terminal by one first antenna cabling, and moving contact B connects one first feedback point;
One three-pole switch, comprise: the second fixed contact, moving contact C, moving contact D and moving contact E, second fixed contact connects the first fixed contact by one second antenna cabling, moving contact C connects one end of a third antenna cabling, the other end open circuit of third antenna cabling, moving contact D connects one second feedback point, and moving contact E opens a way;
Wherein, select one of the first feedback point or the second feedback point by double-pole switch and three road switches, switch to corresponding working frequency range according to the antenna cabling of connected various combination simultaneously.
Preferably, the moving contact A conducting of double-pole switch, the moving contact D conducting of three-pole switch, first antenna cabling and the second antenna cabling form new antenna after connecting, form a loop aerial, the working frequency range of multimode switched antenna is the working frequency range after forming new antenna after the first antenna cabling and the second antenna cabling are connected.
Preferably, the moving contact B conducting of double-pole switch, the moving contact C conducting of three-pole switch, multimode switched antenna, forms a monopole antenna, and the working frequency range of multimode switched antenna is the working frequency range of the second antenna cabling.
Preferably, the moving contact B conducting of double-pole switch, the moving contact E conducting of three-pole switch, the second antenna cabling and third antenna cabling form new antenna after connecting, and the working frequency range of multimode switched antenna is the working frequency range after forming new antenna after the second antenna cabling and third antenna cabling are connected.
The utility model is selected by Switch Controller feedback point and antenna cabling, thus completes the change of different operating band antenna, solves multiple antenna and to take up room too much problem.
Accompanying drawing explanation
Shown in Fig. 1 is structural representation of the present utility model;
Shown in Fig. 2 is the return loss plot of antenna 1 of the present utility model;
Shown in Fig. 3 is the return loss plot of antenna 2 of the present utility model;
Shown in Fig. 4 is the return loss plot of antenna 3 of the present utility model.
Embodiment
Below with reference to accompanying drawing of the present utility model; clear, complete description and discussion are carried out to the technical scheme in the utility model embodiment; obviously; as described herein is only a part of example of the present utility model; it is not whole examples; based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to protection range of the present utility model.
For the ease of the understanding to the utility model embodiment, be further explained for specific embodiment below in conjunction with accompanying drawing, and each embodiment does not form the restriction to the utility model embodiment.
As shown in Figure 1, multimode switched antenna comprises: two feedback points, a ground, switch 1 (double-pole switch), switch 2 (three-pole switch), the antenna cabling (L1 that three segment length are adjustable, L2, L3) in order to adjust the required working frequency range covered.Antenna cabling refers to the specific design of antenna, comprises live width, shape, length, by change antenna design parameter thus obtain needed for working frequency range.Need the length of frequency to L1, L2, L3 covered required for antenna to regulate in actual design, by the selection of two switches, connect different branches in order to cover different working frequency range.
The covering frequency range of the present embodiment is as shown in table 1:
Table 1
When the moving contact A conducting of double-pole switch, the moving contact D conducting of three-pole switch connects a feedback point, new antenna is formed after antenna cabling L1 and antenna cabling L2 connects, form a loop aerial, the working frequency range of multimode switched antenna is the working frequency range after forming new antenna after antenna cabling L1 and antenna cabling L2 connect.Its return loss as shown in Figure 2, its frequency and efficiency table as shown in table 2:
| Frequency (MHz) | 824 | 838 | 852 | 866 | 880 | 894 |
| Efficiency (%) | 45.2 | 50.95 | 55.41 | 52.65 | 51.6048 | 46.31 |
Table 2
When the moving contact B conducting of double-pole switch connects a feedback point, the moving contact C conducting of three-pole switch is also opened a way, and multimode switched antenna, forms a monopole antenna, and the working frequency range of multimode switched antenna is the working frequency range of antenna cabling L2.Its return loss as shown in Figure 3, its frequency and efficiency table as shown in table 3:
| Frequency (MHz) | 1575 |
| Efficiency (%) | 58.48 |
Table 3
When the moving contact B conducting of double-pole switch connects a feedback point, the moving contact E conducting of three-pole switch is also opened a way, second antenna cabling and third antenna cabling form new antenna after connecting, and the working frequency range of multimode switched antenna is the working frequency range after forming new antenna after the second antenna cabling and third antenna cabling are connected.Its return loss as shown in Figure 4, its frequency and efficiency table as shown in table 4:
| Frequency (MHz) | 880 | 900 | 920 | 940 | 960 |
| Efficiency (%) | 47.28 | 53.64 | 57.91 | 55.12 | 49.06 |
Table 4
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (4)
1. a multimode switched antenna, is characterized in that, comprising:
One double-pole switch, comprising: the first fixed contact, moving contact A and moving contact B, and described moving contact A connects earth terminal by one first antenna cabling, and described moving contact B connects one first feedback point;
One three-pole switch, comprise: the second fixed contact, moving contact C, moving contact D and moving contact E, described second fixed contact connects described first fixed contact by one second antenna cabling, described moving contact C connects one end of a third antenna cabling, the other end open circuit of described third antenna cabling, described moving contact D connects one second feedback point, and described moving contact E opens a way;
Wherein, select one of described first feedback point or described second feedback point by described double-pole switch and described three road switches, switch to corresponding working frequency range according to the antenna cabling of connected various combination simultaneously.
2. multimode switched antenna according to claim 1, it is characterized in that, the moving contact A conducting of described double-pole switch, the moving contact D conducting of described three-pole switch, described first antenna cabling and described second antenna cabling form new antenna after connecting, form a loop aerial, the working frequency range of described multimode switched antenna is the working frequency range after forming new antenna after described first antenna cabling and described second antenna cabling are connected.
3. multimode switched antenna according to claim 1, it is characterized in that, the moving contact B conducting of described double-pole switch, the moving contact C conducting of described three-pole switch, described multimode switched antenna, form a monopole antenna, the working frequency range of described multimode switched antenna is the working frequency range of described second antenna cabling.
4. multimode switched antenna according to claim 1, it is characterized in that, the moving contact B conducting of described double-pole switch, the moving contact E conducting of described three-pole switch, described second antenna cabling and described third antenna cabling form new antenna after connecting, and the working frequency range of described multimode switched antenna is the working frequency range after forming new antenna after described second antenna cabling and described third antenna cabling are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420578407.8U CN204257806U (en) | 2014-10-08 | 2014-10-08 | A kind of multimode switched antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420578407.8U CN204257806U (en) | 2014-10-08 | 2014-10-08 | A kind of multimode switched antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204257806U true CN204257806U (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420578407.8U Expired - Fee Related CN204257806U (en) | 2014-10-08 | 2014-10-08 | A kind of multimode switched antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204257806U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450771A (en) * | 2015-08-11 | 2017-02-22 | 富泰华工业（深圳）有限公司 | Electronic device and multiband antenna thereof |
| CN109616757A (en) * | 2018-11-28 | 2019-04-12 | 常熟市泓博通讯技术股份有限公司 | The matching process of double mode aerial array and double mode aerial array |
-
2014
- 2014-10-08 CN CN201420578407.8U patent/CN204257806U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450771A (en) * | 2015-08-11 | 2017-02-22 | 富泰华工业（深圳）有限公司 | Electronic device and multiband antenna thereof |
| CN109616757A (en) * | 2018-11-28 | 2019-04-12 | 常熟市泓博通讯技术股份有限公司 | The matching process of double mode aerial array and double mode aerial array |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20191008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |