CN201408833Y - Plane antenna and antenna module set - Google Patents
Plane antenna and antenna module set Download PDFInfo
- Publication number
- CN201408833Y CN201408833Y CN 200920131263 CN200920131263U CN201408833Y CN 201408833 Y CN201408833 Y CN 201408833Y CN 200920131263 CN200920131263 CN 200920131263 CN 200920131263 U CN200920131263 U CN 200920131263U CN 201408833 Y CN201408833 Y CN 201408833Y
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- antenna
- holder
- cavity
- antenna holder
- circuit board
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Abstract
The utility model relates to the field of radio frequency antenna, and discloses an antenna module set comprising an antenna bracket, antenna radiators, and a circuit board, wherein, the antenna radiators are distributed on the antenna bracket, the antenna bracket is arranged in a parallel manner on the circuit board, the antenna bracket comprises a bracket body provided with a cavity, as well asa polar liquid closed inside the cavity. Compared with the prior art, by filling the cavity of the antenna bracket with the polar liquid to change the dielectric constant of the antenna bracket, the utility model not only meets requirements of the antenna frequency band width, but also achieves the purpose of reducing the size of the antenna.
Description
Technical field
The utility model relates to field of radio frequency, particularly a kind of flat plane antenna and antenna modules.
Background technology
Development along with mechanics of communication, mechanics of communication also increases in the application of sci-tech product day by day, make relevant communication product become more diverse, and the consumer is more and more higher to the functional requirement of communication product in recent years, so many communication products with different designs and function constantly are suggested.
With regard to the communication portable product, be the design that its important key Design of example is antenna for mobile phone with the mobile phone, because the whether good quality that will influence communication of antenna for mobile phone designing quality.Generally, antenna for mobile phone is divided into external and built-in two kinds.The built-in mobile phone antenna places mobile phone inside, flat shape antenna (PIFA antenna) for example, because of its have not fragile, make advantages such as mobile phone good looking appearance and electro-magnetic wave absorption ratio (SAR value) is lower, so built-in antenna of cell phone has progressively substituted external antenna for mobile phone and has been used widely.
Present mobile phone just develops towards miniaturization, lightening direction, and the mobile phone volume inside also just reduces thereupon.Yet the frequency bandwidth of PIFA antenna and the height of antenna are closely related.General dual-band antenna height will be more than 6mm, and four frequency antenna heights then require higher, at least need be more than 8mm.Therefore, corresponding to mobile phone miniaturization, lightening development trend, the development of PIFA antenna is restricted.
The utility model content
The technical problems to be solved in the utility model is that existing flat plane antenna can not satisfy the miniaturization of communication portable product, lightening defective, thereby provides a kind of shared bulk less flat plane antenna.
For solving the problems of the technologies described above, technology of the present utility model is such:
A kind of flat plane antenna comprises antenna holder and antenna radiator, and described antenna radiator is laid on the described antenna holder, and wherein, antenna holder comprises that one has the rack body of cavity, and is enclosed within the polar liquid in the described cavity.
Another one purpose of the present utility model is to provide a kind of antenna modules, this antenna modules comprises antenna holder, be laid in the antenna radiator on the described antenna holder, and the circuit board that is electrically connected with antenna radiator, described antenna holder is located on the circuit board, it is characterized in that described antenna holder comprises that one has the rack body of cavity, and be enclosed within the polar liquid in the described cavity.
Compared with prior art, antenna modules of the present utility model comprises antenna holder, antenna radiator, circuit board, described antenna radiator is laid on the described antenna holder, described antenna holder is arranged on the circuit board, antenna holder comprises that one has the rack body of cavity, and is enclosed within the polar liquid in the described cavity.By in the cavity of antenna holder, injecting polar liquid, change the dielectric constant of antenna holder, reached and satisfied under the antenna band bandwidth requirement prerequisite the undersized purpose of antenna.
Description of drawings
Fig. 1 is the structural representation of a kind of flat plane antenna of providing of the utility model.
Fig. 2 is the structural representation of a kind of antenna modules of providing of the utility model.
Fig. 3 is the structural representation of a kind of antenna modules of the utility model Comparative Examples.
Fig. 4 is the antenna parameter performance map of a kind of antenna modules of providing of the utility model.
Fig. 5 is the antenna parameter performance map of a kind of antenna modules of the utility model Comparative Examples.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also shown in Figure 1ly, the utility model first embodiment provide a kind of flat plane antenna, comprises antenna holder 10 and antenna radiator 20, and described antenna radiator 20 is laid on the described antenna holder 10.Described antenna holder 10 comprises that one has the rack body 11 of cavity, and is enclosed within the polar liquid in the described cavity.
Described polar liquid can comprise a kind of in water, methyl alcohol, ethanol, butanols, acetone, SAR solution and the mixed liquor thereof.In the present embodiment, described antenna holder 10 is a rectangular structure, and described antenna holder 10 has first plane and second plane on the other side.Certainly, the shape of antenna holder 10 is not limited to above-mentioned rectangle, also can be according to the actual design demand, and antenna holder 10 has other shape, and for example the cross section is oval column.
As shown in Figure 2, the antenna holder 10 of present embodiment also comprises hole 12, and described hole 12 is used to inject polar liquid in cavity.The position in described hole 12 can be in the optional position of support, and preferred hole 12 is positioned at a jiao of first plane of described antenna holder 10, helps like this injecting polar liquid in cavity.
Described antenna holder 10 also comprise one with the suitable lid in above-mentioned hole, described lid is used for airtight described cavity, described lid is made by plastic material.Certainly, antenna holder 10 can not be provided with above-mentioned lid structure, but directly by encapsulant, for example PUR directly is used to inject the hole 12 of polar liquid to sealing with above-mentioned.
The thickness of described antenna holder 10 is at least 5mm, and in the present embodiment, the thickness of antenna holder 10 is preferably 5mm, and first plane of promptly described antenna holder 10 and the second interplanar distance are 5mm.
Described antenna radiator 20 comprises distributing point 22 and the earth point 23 on antenna body 21 and the antenna body 21, and described antenna body 21 comprises high-frequency radiation part 211 and the low frequency radiation portion 212 that is connected with each other.Described high-frequency radiation part 211 offers a groove 213, and described groove 213 is used to adjust the resonance frequency of high-frequency radiation part 211.Described distributing point 22 and earth point 23 are set in parallel in first side 13 of described antenna holder 10; Be first side 13 that described distributing point 22 is located at described antenna holder 10, described earth point 23 keeps at a certain distance away and is parallel to first side 13 that described distributing point 22 is located at described antenna holder 10, and above-mentioned distance is 4-8mm, and present embodiment is preferably 5mm.
On the basis based on first embodiment, second embodiment of the present utility model provides a kind of antenna modules.This antenna modules comprises antenna holder 10, be laid in the antenna radiator 20 on the described antenna holder 10, and the circuit board 30 that is electrically connected with antenna radiator 20, described antenna holder 10 is located on the circuit board 30, described antenna holder 10 comprises that one has the rack body of cavity, and is enclosed within the polar liquid in the described cavity.
Above-mentioned antenna radiator 20 and antenna holder 10 all adopt the structure among first embodiment, do not repeat them here.
Described circuit board 30 is provided with distributing point 31 and earth point 32; Distributing point 31 on the described circuit board 30 and earth point 32 are electrically connected 23 with the distributing point 22 and the earth point of above-mentioned radiant body respectively.
Fig. 4 is after injecting the polar liquid of DIELECTRIC CONSTANT=54.74 in the antenna holder cavity of present embodiment, the antenna parameter performance map of this antenna modules of measuring.
As shown in Figure 4, the antenna modules of present embodiment is at 824Mz, 960MHz, the return loss value of three frequencies of 1.99GHz is respectively-6.0dB ,-4.9dB and-4.3dB.
See also Fig. 5, Fig. 5 is the antenna parameter performance map of present embodiment antenna modules one Comparative Examples.As shown in Figure 3, the antenna modules of this Comparative Examples comprises antenna holder 100, is located at antenna radiator 200, circuit board 300 on the antenna holder 100, and described antenna holder is located at the surface of entire antenna support.Compared to present embodiment, the antenna holder of this Comparative Examples does not inject polar liquid, and the area of its antenna radiator is also greater than the area of the antenna radiator of present embodiment.As shown in Figure 5, the antenna modules of Comparative Examples is at 824MHz, 960MHz, the return loss value of three frequencies of 1.99GHz is respectively-2dB ,-1.9dB and-3.4dB.The antenna modules that in contrast to the utility model second embodiment is at 824Mz, 960MHz, 1.99GHz the return loss value of three frequencies is respectively-6.0dB,-4.9dB and-4.3dB, be easy to find out that the antenna modules of the utility model embodiment is much smaller than the area of its antenna radiator of antenna modules of Comparative Examples, but it has good electrical properties; So reduce both can satisfy under the area of antenna holder and antenna radiator the requirement on electric performance of antenna, the while has also reached the purpose that reduces antenna size.
Than prior art, antenna modules of the present utility model comprises antenna holder, antenna radiator, circuit board, described antenna radiator is laid on the described antenna holder, described antenna holder is set in parallel on the circuit board, wherein, antenna holder comprises that one has the rack body of cavity, and is enclosed within the polar liquid in the described cavity.By foregoing description obviously as can be seen,, change the dielectric constant of antenna holder, reached and satisfied under the antenna band bandwidth requirement prerequisite the undersized purpose of antenna by in the cavity of antenna holder, injecting polar liquid.
The above is preferred embodiment of the present utility model only, is not to be used to limit protection range of the present utility model.All within spirit of the present utility model and principle, any modification of being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1, a kind of flat plane antenna comprises antenna holder and antenna radiator, and described antenna radiator is laid on the described antenna holder, it is characterized in that, antenna holder comprises that one has the rack body of cavity, and is enclosed within the polar liquid in the described cavity.
2, flat plane antenna according to claim 1 is characterized in that, described antenna holder also comprises the hole, and described hole is used to inject polar liquid in cavity; And lid, described lid is used for airtight described cavity.
3, flat plane antenna according to claim 1 is characterized in that, described antenna radiator comprises antenna body, and is positioned at distributing point and earth point on the antenna body; Described antenna body comprises high-frequency radiation part and the low frequency radiation portion that is connected with each other.
4, flat plane antenna according to claim 3 is characterized in that, described high-frequency radiation part offers a groove, and described groove is used to adjust the resonance frequency of high-frequency radiation part.
5, flat plane antenna according to claim 3 is characterized in that, described distributing point is arranged at first side of described antenna holder, and described earth point is parallel to first side that described distributing point is arranged at described antenna holder.
6, a kind of antenna modules, comprise antenna holder, be laid in the antenna radiator on the described antenna holder, and the circuit board that is electrically connected with antenna radiator, described antenna holder is located on the circuit board, it is characterized in that described antenna holder comprises that one has the rack body of cavity, and be enclosed within the polar liquid in the described cavity.
7, antenna modules according to claim 6 is characterized in that, described antenna radiator comprises antenna body, and is positioned at distributing point and earth point on the antenna body; Described antenna body comprises high-frequency radiation part and the low frequency radiation portion that is connected with each other.
8, antenna modules according to claim 7 is characterized in that, described circuit board is provided with distributing point and earth point; Distributing point on the described circuit board and earth point are electrically connected with distributing point and earth point on the antenna body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920131263 CN201408833Y (en) | 2009-04-30 | 2009-04-30 | Plane antenna and antenna module set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920131263 CN201408833Y (en) | 2009-04-30 | 2009-04-30 | Plane antenna and antenna module set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408833Y true CN201408833Y (en) | 2010-02-17 |
Family
ID=41679780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920131263 Expired - Fee Related CN201408833Y (en) | 2009-04-30 | 2009-04-30 | Plane antenna and antenna module set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408833Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064858A (en) * | 2014-05-26 | 2014-09-24 | 普尔思（苏州）无线通讯产品有限公司 | FluidAnt process mobile phone antenna |
| TWI496348B (en) * | 2012-06-13 | 2015-08-11 | Wistron Corp | Electronic device and antenna module thereof |
| CN105932417A (en) * | 2016-06-12 | 2016-09-07 | 北京小米移动软件有限公司 | Terminal |
| CN107257020A (en) * | 2017-06-15 | 2017-10-17 | 中国人民解放军空军工程大学 | L audio range frequencies are adjustable micro-strip paster antenna |
-
2009
- 2009-04-30 CN CN 200920131263 patent/CN201408833Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI496348B (en) * | 2012-06-13 | 2015-08-11 | Wistron Corp | Electronic device and antenna module thereof |
| CN104064858A (en) * | 2014-05-26 | 2014-09-24 | 普尔思（苏州）无线通讯产品有限公司 | FluidAnt process mobile phone antenna |
| CN105932417A (en) * | 2016-06-12 | 2016-09-07 | 北京小米移动软件有限公司 | Terminal |
| CN105932417B (en) * | 2016-06-12 | 2019-06-11 | 北京小米移动软件有限公司 | Communication terminal |
| CN107257020A (en) * | 2017-06-15 | 2017-10-17 | 中国人民解放军空军工程大学 | L audio range frequencies are adjustable micro-strip paster antenna |
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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: 20100217 Termination date: 20160430 |