CN201946753U - Antenna module with high isolation - Google Patents
Antenna module with high isolation Download PDFInfo
- Publication number
- CN201946753U CN201946753U CN2010206998470U CN201020699847U CN201946753U CN 201946753 U CN201946753 U CN 201946753U CN 2010206998470 U CN2010206998470 U CN 2010206998470U CN 201020699847 U CN201020699847 U CN 201020699847U CN 201946753 U CN201946753 U CN 201946753U
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- radiation metal
- metal
- ground connection
- isolation
- antenna
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- 238000002955 isolation Methods 0.000 title claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 147
- 230000008878 coupling Effects 0.000 claims abstract description 39
- 238000010168 coupling process Methods 0.000 claims abstract description 39
- 238000005859 coupling reaction Methods 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000005855 radiation Effects 0.000 claims description 91
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 description 6
- 230000001808 coupling effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model provides an antenna module with high isolation, which comprises two antennae, wherein each antenna comprises a base material and a metal radiating surface arranged on the base material; the metal radiating surface comprises a radiating metal segment and a grounded metal segment; at least one of the two antennae comprises auxiliary radiating metal which is provided with an coupled extending segment corresponding to the radiating metal segment and an grounded extending segment corresponding to the grounded metal segment; a coupling part is formed between the radiating metal segment and the coupled extending segment; and a grounded disconnecting part is formed between the grounded metal segment and the grounded extending segment so as to form the isolation between the two antennae.
Description
Technical field
The utility model relates to a kind of Anneta module, particularly a kind of Anneta module with high-isolation.
Background technology
Because the development of wireless communication technique, electronic product requires more and more to pay attention to the receiving quality of signal, and for example various portable electronic products all possess wireless transmission function, to satisfy the demand that the user receives the function of message at any time.Yet the design of communication product so will make the antenna structure of communication product must be confined to be provided with in certain volume all towards light, thin, short, little concept development.
Therefore, the antenna structure of communication product may have following disappearance at present:
1, the area of electronic product has certain restriction, thus can all be subjected to suitable limitation for position, the space of installing antenna, and too small antenna area causes the decline of antenna performance, for example frequency range deficiency, radiation efficiency reduce or the like.
2, present electronic product may be equiped with the antenna of a plurality of functions simultaneously, and the frequency band of antenna is under identical situation, to cause antenna easily when the transmitting/receiving wireless signal, phase mutual interference between each signal, therefore, to have influence on the communication quality of antenna, and then reduce the overall efficiency of communication product, also make the design of product integral body very complicated situation can occur.
The utility model content
One of the purpose of this utility model is to provide a kind of Anneta module of high-isolation, and it can adjust the isolation of each antenna according to the dimension width of electronic product, to reach wideband operation and antenna performance at a distance.
For achieving the above object, the utility model provides a kind of Anneta module of high-isolation, and it comprises: one first antenna, and it comprises; One first base material; And first a radiation metal face of being located on this first base material, wherein this first radiation metal mask has one first radiation metal section and one first grounded metal section; One is located at the auxiliary radiation metal on this first base material, this auxiliary radiation metal is provided with a pair of first coupling extension and a pair of first ground connection extension that should the first grounded metal section that should the first radiation metal section, wherein form one first coupling part between this first radiation metal section and this first coupling extension, form one first ground connection disconnection portion between this first grounded metal section and this first ground connection extension; And one and this first antenna at second antenna of same band operation, it comprises; One second base material; And second a radiation metal face of being located on this second base material, wherein this second radiation metal mask has one second radiation metal section and one second grounded metal section.
Further, has one first load point on this first radiation metal face, this first grounded metal section connects first ground plane of being located on this first base material, this first grounded metal section is provided with one first earth point, and one first coaxial transmission line is connected in this first load point and this first earth point.
Further, has one second load point on this second radiation metal face, this second grounded metal section connects second ground plane of being located on this second base material, this second grounded metal section is provided with one second earth point, and one second coaxial transmission line is connected in this second load point and this second earth point.
Further, this first radiation metal face and this second radiation metal face correspond to each other and the mirror image setting.
Further, this auxiliary radiation metal is the metal covering of a U font, and this first coupling extension and this first ground connection extension take shape in two support arms of the metal covering of this U font respectively.
Further, this auxiliary radiation metal comprises that also one is connected in the linkage section between this first coupling extension and this first ground connection extension.
Further, has auxiliary earth point on this first ground connection extension.
Further, also be provided with another auxiliary radiation metal on this second antenna, this auxiliary radiation metal is provided with a pair of second coupling extension and a pair of second ground connection extension that should the second grounded metal section that should the second radiation metal section, wherein form one second coupling part between this second radiation metal section and this second coupling extension, form one second ground connection disconnection portion between this second grounded metal section and this second ground connection extension.
Further, the metal covering that this another auxiliary radiation metal is a U font, and this second coupling extension and this second ground connection extension take shape in two support arms of the metal covering of this U font respectively.
Further, this another auxiliary radiation metal comprises that also one is connected in the linkage section between this second coupling extension and this second ground connection extension.
Further, has auxiliary earth point on this second ground connection extension.
In sum, at least one of them has the auxiliary radiation metal of loop structure to a plurality of antennas of operating in identical frequency band, so can utilize formed coupling effect and break distance between primary radiation metal and the auxiliary radiation metal, make to have high-isolation between the antenna, make Anneta module can be applicable to remote high-isolation operation.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the schematic perspective view of the utility model first embodiment.
Figure 1A is the A part enlarged drawing of Fig. 1.
Fig. 2 is the schematic perspective view of the utility model second embodiment.
Fig. 2 A is the schematic perspective view of the utility model the 3rd embodiment.
Fig. 3 is applied to the schematic diagram of notebook computer for the Anneta module of the high-isolation of the utility model first embodiment.
Fig. 4 is the S21 resolution chart of the Anneta module of the utility model high-isolation.
Fig. 5 is another S21 resolution chart of the Anneta module of high-isolation of the present utility model.
[main element symbol description]
1 first antenna
10 first base materials
11 first radiation metal face 110A, the first radiation metal section
The 110B first grounded metal section
111 first load points
112 first earth points
13,13 ' auxiliary radiation metal
The 131A first coupling extension
The 131B first ground connection extension
132 first coupling parts
133 auxiliary earths point
134 first ground connection disconnection portions
14 first coaxial transmission lines
15 first ground planes
2 second antennas
20 second base materials
21 second radiation metal face 210A, the second radiation metal section
The 210B second grounded metal section
211 second load points
212 second earth points
23 auxiliary radiation metal 231A, the second coupling extension
The 231B second ground connection extension
232 second coupling parts
233 auxiliary earths point
234 second ground connection disconnection portions
24 second coaxial transmission lines
25 second ground planes
3 notebook computers
30 system substrates
The G spacing
Embodiment
The utility model proposes a kind of Anneta module of high-isolation, it has the antenna that at least two groups are operated in same frequency range, and those antennas one of them has the auxiliary radiation metal at least, the auxiliary radiation metal can form coupling part and ground connection disconnection portion with the radiation metal face on the antenna, isolation with the control frequency band, make Anneta module can be applicable to the electronic product of different distance, reach the purpose that promotes the isolation between the antenna.
Fig. 1 and Figure 1A show first embodiment of the present utility model, the Anneta module of high-isolation of the present utility model is included in first antenna 1 and second antenna 2 of same band operation, and for example, first antenna 1 can be a Bluetooth antenna, 2 on second antenna is a Wi-Fi antenna, but not as limit; And in this specific embodiment, first antenna 1 has first base material 10, be located at the first radiation metal face 11 on this first base material 10 and be located at auxiliary radiation metal 13 on this first base material 10.The first radiation metal face 11 is mainly used in the radiation path that receives above-mentioned Bluetooth signal, and it comprises the first radiation metal section 110A and one first grounded metal section 110B at least, and the first radiation metal section 110A mainly forms resonance path, to reach the effect of received signal; And the first grounded metal section 110B can be connected at first ground plane 15 on this first base material 10, for example a sheet metal is pasted on the first above-mentioned grounded metal section 110B, to form the datum level of current potential.
Structurally, the framework of second antenna 2 can be same as first antenna 1 in fact (as shown in the figure, except auxiliary radiation metal 13), second antenna 2 has second base material 20 and is located at the second radiation metal face 21 on this second base material 20, particularly, the second radiation metal face 21 is mainly used in the radiation path that receives above-mentioned Wi-Fi signal, it comprises the second radiation metal section 210A and one second grounded metal section 210B at least, the second radiation metal section 210A mainly forms resonance path, to reach the effect of received signal; And the second grounded metal section 210B can be connected at second ground plane 25 on this second base material 20, for example a sheet metal is pasted on the second above-mentioned grounded metal section 210B, to form the datum level of current potential.In other words, in this specific embodiment, this first radiation metal face 11 corresponds to each other and the mirror image setting with this second radiation metal face 21, but not as limit, promptly the structure of the second radiation metal face 21 also can be different from the structure of the first radiation metal face 11.
In addition, first base material 10 is provided with the auxiliary radiation metal 13 of the corresponding first radiation metal face 11, and the coupling effect that itself and the first radiation metal face 11 produce can make between first antenna 1 and second antenna 2 has high-isolation.Specifically, auxiliary radiation metal 13 is provided with the first coupling extension 131A and a pair of first ground connection extension 131B that should the first grounded metal section 110B of corresponding first a radiation metal section 110A at least, and do not contact with each other to form one first coupling part 132 between the first radiation metal section 110A and this first coupling extension 131A, in addition, form one first ground connection disconnection portion 134 between the first grounded metal section 110B and the first ground connection extension 131B, and have an auxiliary earth point 133 on this first ground connection extension 131B; Therefore, the size of spacing G that can be by adjusting the first ground connection disconnection portion 134 and the coupling effect that first coupling part 132 is caused can make first antenna 1 and second antenna 2 produce the effect of high-isolation on antenna performance.
Refer again to Fig. 1, in this specific embodiment, auxiliary radiation metal 13 is the metal covering of a U font haply, and the first coupling extension 131A and the first ground connection extension 131B take shape in two support arms of the metal covering of this U font respectively; Moreover auxiliary radiation metal 13 comprises that also one is connected in the linkage section between this first coupling extension 131A and this first ground connection extension 110B, and this linkage section roughly has the structure that is similar to the Y font, to adjust resonance path.
In addition, have one first load point 111 on the first radiation metal face 11, this first grounded metal section 110B is provided with one first earth point 112, and one first coaxial transmission line 14 is connected in this first load point 111 and this first earth point 112.In the same manner, have one second load point 211 on the second radiation metal face 21, this second grounded metal section 210B is provided with one second earth point 212, and one second coaxial transmission line 24 is connected in this second load point 211 and this second earth point 212.
Please refer to Fig. 3, it is installed on the notebook computer 3 for first antenna 1 of the present utility model and second antenna 2, and second ground plane 25 of first ground plane 15 of first antenna 1 and second antenna 2 all can be electrically connected on the system substrate 30 in the notebook computer 3, Fig. 4 is that first antenna 1 of the present utility model and second antenna 2 are applied to the isolation degree test figure (being S21) on the notebook computer 3, show that wherein fundamental frequency is in 2400 to 2500MHz the frequency range, the S parameter (S-parameter) of first antenna 1 and second antenna 2 satisfies the requirement less than-30dB, be presented under the operational frequency bands of 2.5GHz, have the good isolation degree between first antenna 1 and second antenna 2.In addition, Fig. 5 is that first antenna 1 of the present utility model and second antenna 2 are applied to the isolation degree test figure (being S21) on the notebook computer 3, show that wherein fundamental frequency is 2400 to 2500MHz frequency multiplication, in about frequency range of 4800 to 5000MHz, the S parameter (S-parameter) of first antenna 1 and second antenna 2 satisfies the requirement less than-25dB, be presented under the operational frequency bands of 5GHz, have the good isolation degree between first antenna 1 and second antenna 2.
Please refer to Fig. 2, it is second embodiment of the present utility model, they are different with first embodiment be in: in this specific embodiment, auxiliary radiation metal 13 ' be the metal covering of a U font haply, and the first coupling extension 131A and the first ground connection extension 131B take shape in two support arms of the metal covering of this U font respectively; In other words, there is no the design of linkage section between the first coupling extension 131A and the first ground connection extension 131B.
Please refer to Fig. 2 A, it is the 3rd embodiment of the present utility model, they are different with first embodiment be in: also be provided with another auxiliary radiation metal 23 on this second antenna 2, similarly, this auxiliary radiation metal 23 is provided with a pair of second coupling extension 231A and a pair of second ground connection extension 231B that should the second grounded metal section 201B that should the second radiation metal section 201A, wherein form one second coupling part 232 between this second radiation metal section 201A and this second coupling extension 231A, form one second ground connection disconnection portion 234 between this second grounded metal section 201B and this second ground connection extension 231A, and have an auxiliary earth point 233 on this second ground connection extension 231B equally; In other words, on first antenna 1 and second antenna 2 auxiliary radiation metal 13,23 is arranged all, with the isolation between further raising first antenna 1 and second antenna 2.
In sum, the utlity model has following several advantages:
1, the utility model can be relative with a loop metal (being the auxiliary radiation metal) with the predominating path on the antenna (i.e. the first radiation metal face), make and produce coupling between predominating path and the loop metal and disconnect, and can adjust the size of disconnection portion, make between each antenna to have high-isolation, to adjust the isolation of needed frequency band range and electric characteristics.
2, the utility model can provide and have high-isolation between the antenna, to satisfy the application of different distance.For example in the application of notebook computer or all-in-one computer, the distance between two antennas is about 20 to 60 centimeters; Or in the application of e-book, panel computer, the distance between two antennas is about 10 to 40 centimeters; Or in mobile phone, PDA etc. use, distance between two antennas is about 5 to 20 centimeters, and the size of the spacing of set ground connection disconnection portion is adjusted the isolation of above-mentioned antenna in first antenna or second antenna, for example big more according to the distance between two antennas, the mode that spacing is then more little is adjusted, and utilizes coupling part to carry out the fine setting of antenna performance again.
Above said content; it only is preferred embodiment of the present utility model; be not to be used for limiting the scope that the utility model is implemented; all according to spirit of the present utility model and according to technological means disclosed in the utility model; and make corresponding change and distortion, all belong to the scope that the utility model is protected.
Claims (11)
1. the Anneta module of a high-isolation is characterized in that, comprises:
One first antenna, it comprises;
One first base material; And
One is located at the first radiation metal face on this first base material, and wherein this first radiation metal mask has one first radiation metal section and one first grounded metal section;
One is located at the auxiliary radiation metal on this first base material, this auxiliary radiation metal is provided with a pair of first coupling extension and a pair of first ground connection extension that should the first grounded metal section that should the first radiation metal section, wherein form one first coupling part between this first radiation metal section and this first coupling extension, form one first ground connection disconnection portion between this first grounded metal section and this first ground connection extension; And
One with this first antenna at second antenna of same band operation, it comprises;
One second base material; And
One is located at the second radiation metal face on this second base material, and wherein this second radiation metal mask has one second radiation metal section and one second grounded metal section.
2. the Anneta module of high-isolation as claimed in claim 1, it is characterized in that, has one first load point on this first radiation metal face, this first grounded metal section connects first ground plane of being located on this first base material, this first grounded metal section is provided with one first earth point, and one first coaxial transmission line is connected in this first load point and this first earth point.
3. the Anneta module of high-isolation as claimed in claim 2, it is characterized in that, has one second load point on this second radiation metal face, this second grounded metal section connects second ground plane of being located on this second base material, this second grounded metal section is provided with one second earth point, and one second coaxial transmission line is connected in this second load point and this second earth point.
4. the Anneta module of high-isolation as claimed in claim 1 is characterized in that, this first radiation metal face and this second radiation metal face correspond to each other and the mirror image setting.
5. the Anneta module of high-isolation as claimed in claim 1 is characterized in that, this auxiliary radiation metal is the metal covering of a U font, and this first coupling extension and this first ground connection extension take shape in two support arms of the metal covering of this U font respectively.
6. the Anneta module of high-isolation as claimed in claim 5 is characterized in that, this auxiliary radiation metal comprises that also one is connected in the linkage section between this first coupling extension and this first ground connection extension.
7. the Anneta module of high-isolation as claimed in claim 6 is characterized in that, has auxiliary earth point on this first ground connection extension.
8. the Anneta module of high-isolation as claimed in claim 1, it is characterized in that, also be provided with another auxiliary radiation metal on this second antenna, this auxiliary radiation metal is provided with a pair of second coupling extension and a pair of second ground connection extension that should the second grounded metal section that should the second radiation metal section, wherein form one second coupling part between this second radiation metal section and this second coupling extension, form one second ground connection disconnection portion between this second grounded metal section and this second ground connection extension.
9. the Anneta module of high-isolation as claimed in claim 8 is characterized in that, the metal covering that this another auxiliary radiation metal is a U font, and this second coupling extension and this second ground connection extension take shape in two support arms of the metal covering of this U font respectively.
10. the Anneta module of high-isolation as claimed in claim 9 is characterized in that, this another auxiliary radiation metal comprises that also one is connected in the linkage section between this second coupling extension and this second ground connection extension.
11. the Anneta module of high-isolation as claimed in claim 10 is characterized in that, has auxiliary earth point on this second ground connection extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206998470U CN201946753U (en) | 2010-12-31 | 2010-12-31 | Antenna module with high isolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206998470U CN201946753U (en) | 2010-12-31 | 2010-12-31 | Antenna module with high isolation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201946753U true CN201946753U (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206998470U Expired - Lifetime CN201946753U (en) | 2010-12-31 | 2010-12-31 | Antenna module with high isolation |
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| Country | Link |
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| CN (1) | CN201946753U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247867A (en) * | 2012-02-14 | 2013-08-14 | 启碁科技股份有限公司 | Radio frequency device, wireless communication device and method for improving isolation degrees of antennae |
| CN103296425A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Antenna device |
| CN103296392A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Antenna device |
| CN104300232A (en) * | 2013-07-16 | 2015-01-21 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN106450658A (en) * | 2015-08-07 | 2017-02-22 | 微软技术许可有限责任公司 | Antenna device for electronic equipment |
| WO2023184440A1 (en) * | 2022-03-31 | 2023-10-05 | 北京小米移动软件有限公司 | Antenna assembly and terminal device |
-
2010
- 2010-12-31 CN CN2010206998470U patent/CN201946753U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247867A (en) * | 2012-02-14 | 2013-08-14 | 启碁科技股份有限公司 | Radio frequency device, wireless communication device and method for improving isolation degrees of antennae |
| CN103296425A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Antenna device |
| CN103296392A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Antenna device |
| CN103296425B (en) * | 2012-02-29 | 2018-01-26 | 深圳光启创新技术有限公司 | Antenna assembly |
| CN104300232A (en) * | 2013-07-16 | 2015-01-21 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN106450658A (en) * | 2015-08-07 | 2017-02-22 | 微软技术许可有限责任公司 | Antenna device for electronic equipment |
| US10498013B2 (en) | 2015-08-07 | 2019-12-03 | Microsoft Technology Licensing, Llc | Antenna arrangement for an electronic device |
| WO2023184440A1 (en) * | 2022-03-31 | 2023-10-05 | 北京小米移动软件有限公司 | Antenna assembly and terminal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebang Electronic (Suzhou) Co., Ltd. Assignor: Jiabang Science & Technology Co., Ltd. Contract record no.: 2014990000171 Denomination of utility model: Antenna module with high isolation Granted publication date: 20110824 License type: Exclusive License Record date: 20140402 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110824 |
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| CX01 | Expiry of patent term |