CN204391268U - Antenna assembly - Google Patents
Antenna assembly Download PDFInfo
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- CN204391268U CN204391268U CN201520087894.2U CN201520087894U CN204391268U CN 204391268 U CN204391268 U CN 204391268U CN 201520087894 U CN201520087894 U CN 201520087894U CN 204391268 U CN204391268 U CN 204391268U
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Abstract
Disclose a kind of antenna assembly, comprise medium substrate and be positioned at the same surface of described medium substrate and all identical the first to the 3rd radiating antenna of structure, wherein, first radiating antenna and the 3rd radiating antenna are Mirror Symmetry and lay respectively at the edge of described medium substrate two parallel sides, second radiating antenna is mutually isolated between described first radiating antenna and described 3rd radiating antenna, and the first radiating antenna, the 3rd radiating antenna are all vertical with described second radiating antenna, to make cross polarization each other between two adjacent radiating antennas.This antenna assembly utilizes the design of irradiation structure to achieve two operating frequencies and MIMO structure, utilize the cross polarization between the first to the 3rd radiating antenna to improve isolation between antennae, thus communication stability and message transmission rate can be improved while reduction antenna size.
Description
Technical field
The utility model relates to antenna technical field, relates more specifically to antenna assembly.
Background technology
Growing along with wireless communication technology, needs to carry out multiple different frequency range communication in electronic equipment simultaneously.Such as double-frequency wireless router can be operated in 2.4GHz and 5.0GHz two frequency ranges.Employing dual band communication can reduce the interference between wireless device, thus improves the stability of wireless network.Existing electronic equipment generally adopts two radio-frequency antennas to be respectively used to different frequency ranges.
On the other hand, multiple-input and multiple-output (MIMO) technology utilizes many antennas to send and Received signal strength, obtains increasing application in wireless communications.MIMO technology can improve capacity and the frequency range utilization ratio of communication system without increase in bandwidth, from but improve the important means of message transmission rate.Existing electronic equipment generally adopts many radio-frequency antennas to be respectively used to different passages.
The advantage in conjunction with double frequency technology and MIMO technology is wished in electronic equipment.But in order to meet the demand of the two, antenna assembly must comprise the antenna of One's name is legion.Each isolation between antennae must become a major issue.WIFI mimo antenna major part little is in the market all adopt to increase isolating metal plate to improve isolation between antennae.The use of the antenna amount adopted in antenna assembly and isolating metal plate all hampers the miniaturization of antenna assembly.
The miniaturization of electronic equipment is main trend, and the antenna assembly wherein used also should be miniaturized.Existing antenna assembly can not meet the demand of antenna assembly miniaturization only by the increase of antenna amount.
Utility model content
The purpose of this utility model be to provide a kind of can in conjunction with the antenna assembly of double frequency technology and MIMO technology.
According to one side of the present utility model, a kind of antenna assembly is provided, comprise medium substrate and be positioned at the same surface of described medium substrate and all identical the first to the 3rd radiating antenna of structure, wherein, first radiating antenna and the 3rd radiating antenna are Mirror Symmetry and lay respectively at the edge of described medium substrate two parallel sides, second radiating antenna is mutually isolated between described first radiating antenna and described 3rd radiating antenna, and the first radiating antenna, 3rd radiating antenna is all vertical with described second radiating antenna, to make cross polarization each other between two adjacent radiating antennas.
Preferably, in the described first to the 3rd radiating antenna, each radiating antenna includes radiant body and grounding parts, and described radiant body and described grounding parts are all in step-like and close to each other with the overlapping complimentary fashion that staggers.
Preferably, rectangular-shaped all in middle fluting of the profile of each radiating antenna described, and the middle slotted section of each radiating antenna described presents stepped and crosses two long limits of described rectangle.
Preferably, described radiant body comprises the first short portion of radiation and the first radiation long portion, and the described first short portion of radiation superposes with described first radiation long portion mutually with common forming station scalariform.
Preferably, described radiant body also comprises the first slotted eye, and described first slotted eye extends to the other one end near the described first short portion of radiation from the one end near described first radiation long portion.
Preferably, described grounding parts comprises the first short portion of ground connection and the first ground connection long portion, and the described first short portion of ground connection superposes with described first ground connection long portion mutually with common forming station scalariform.
Preferably, described grounding parts also comprises the second slotted eye, and described second slotted eye extends to the other one end near described first ground connection long portion from the one end near the described first short portion of ground connection.
Preferably, described first slotted eye and described second slotted eye form splayed jointly.
Preferably, the length of described first radiation long portion and the length sum of described first ground connection long portion are 1/2nd of the first resonate frequency wavelength.
Preferably, the length in the described first short portion of radiation and the length sum in the described first short portion of ground connection are 1/2nd of the second resonate frequency wavelength.
Preferably, the spacing distance between described first radiating antenna and described 3rd radiating antenna is greater than 1/2nd of the first resonate frequency wavelength.
Preferably, in described antenna assembly, the working frequency range of each radiating antenna is 2.4GHz-2.48GHz and 5GHz-5.8GHz.
The design of irradiation structure is utilized to achieve two operating frequencies and MIMO structure according to antenna assembly of the present utility model.First radiating antenna and the 3rd radiating antenna are Mirror Symmetry and lay respectively at the edge of described medium substrate two parallel sides, second radiating antenna is mutually isolated between described first radiating antenna and described 3rd radiating antenna, and the first radiating antenna, the 3rd radiating antenna are all vertical with described second radiating antenna, to make cross polarization each other between two adjacent radiating antennas, therefore can isolation between transmitting antenna.This antenna assembly utilizes specific irradiation structure to realize the resonance of two frequency ranges and the input and output of multiple distributing point, to meet the communication requirement of two frequency ranges and MIMO technology.Thus, this antenna assembly can improve communication stability and message transmission rate while reduction antenna size.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the utility model embodiment, above-mentioned and other objects of the present utility model, feature and advantage will be more clear, in the accompanying drawings:
Fig. 1 is the structural upright schematic diagram according to antenna assembly of the present utility model;
Fig. 2 is the vertical view of the radiating antenna adopted in antenna assembly;
Fig. 3 is the curve chart of VSWR parameter value with frequency change of antenna assembly;
Fig. 4 is the curve chart of S parameter value with frequency change of antenna assembly.
Embodiment
Below in conjunction with accompanying drawing, several preferred embodiment of the present utility model is described in detail, but the utility model is not restricted to these embodiments.The utility model contain any make in spirit and scope of the present utility model substitute, amendment, equivalent method and scheme.
To have the utility model to make the public and understand thoroughly, in following the utility model preferred embodiment, describe concrete details in detail, and do not have the description of these details also can understand the utility model completely for a person skilled in the art.
Fig. 1 is the structural upright schematic diagram according to antenna assembly of the present utility model.Antenna assembly comprises medium substrate 100 and to be positioned on the described same surface of medium substrate 100 and all identical the first radiating antenna 200, second radiating antenna 300 of structure and the 3rd radiating antenna 400.Medium substrate 100 comprises glass-fiber-fabric, epoxy resin and the compound with described epoxy resin generation cross-linking reaction.
First radiating antenna 200 and the 3rd radiating antenna 400 are Mirror Symmetry and lay respectively at the edge of described medium substrate 100 liang of parallel sides, second radiating antenna 300 is mutually isolated between described first radiating antenna 200 and described 3rd radiating antenna 400, and the first radiating antenna 200, the 3rd radiating antenna 400 are all vertical with described second radiating antenna 300, to make cross polarization each other between two adjacent radiating antennas.Adopt three feed lines, such as coaxial lines, respectively to the distributing point FD feed of the first radiating antenna 200, second radiating antenna 300 and the 3rd radiating antenna 400.
Rectangular-shaped all in middle fluting of the profile of the first to the 3rd radiating antenna, and the middle slotted section of each radiating antenna presents stepped and crosses two long limits of described rectangle.
Second radiating antenna 300 is between the first radiating antenna 200 and the 3rd radiating antenna 400, and cross polarization each other, such as the polarization mode of the second radiating antenna 300 is horizontal polarization, the polarization mode of the first radiating antenna 200 and the 3rd radiating antenna 400 is perpendicular polarization, to improve the isolation between the first radiating antenna 200 and the second radiating antenna 300, and the isolation improved between the 3rd radiating antenna 400 and the second radiating antenna 300, and then reach designing requirement.
Spacing distance between first radiating antenna 200 and the 3rd radiating antenna 400 is greater than 1/2nd of the first resonate frequency wavelength, to improve the isolation between the first radiating antenna 200 and the 3rd radiating antenna 400, and then meets design requirement.In the present embodiment, in antenna assembly, the working frequency range of each radiating antenna is 2.4GHz-2.48GHz and 5GHz-5.8GHz, and the first resonance frequency is now located in the working frequency range of 2.4GHz-2.48GHz.
Fig. 2 is the vertical view of the radiating antenna adopted in antenna assembly.This antenna is such as the first radiating antenna 200 in Fig. 1.As mentioned above, the first radiating antenna 200 comprises the radiant body 210 and grounding parts 220 that are connected by feed line 230, and wherein, radiant body 210 and grounding parts 220 are all in step-like and close to each other with the overlapping complimentary fashion that staggers.In the present embodiment, radiant body 210 and grounding parts 220 are such as formed by the metal level of patterning, or are formed by electrically conductive ink printing, metal level can be made up of the one be selected from gold, silver, copper, aluminium or iron, preferably, metal level is made up of copper, to take into account cost and the performance of antenna.
Radiant body 210 comprises the first short portion 212 of radiation and the first radiation long portion 211, the first short portion of radiation 212 superposes with common forming station scalariform with the first radiation long portion 211 mutually, wherein, align with one end of the first radiation long portion 211 in the one end in the first short portion 212 of radiation, the other end in the first short portion 212 of radiation and the other end non-alignment of the first radiation long portion 211.Radiant body 210 also comprises the first slotted eye 213, first slotted eye 213 extends to the other one end near the first short portion of radiation 212 from the one end near the first radiation long portion 211, wherein, one end of first radiation long portion 211 and the other one end in the short portion of the first radiation 212 are diagonal position and diagonal angle end each other, and the bearing of trend of the first slotted eye 213 is consistent with the line direction of this pair diagonal angle end.
Grounding parts 220 comprises the first short portion 221 of ground connection and the first ground connection long portion 222, the first short portion of ground connection 221 superposes with common forming station scalariform with the first ground connection long portion 222 mutually, wherein, align with one end of the first ground connection long portion 222 in the one end in the first short portion 221 of ground connection, the other end in the first short portion 221 of ground connection and the other end non-alignment of the first ground connection long portion 222.Grounding parts 220 also comprises the second slotted eye 223, second slotted eye 223 extends to the other one end near the first ground connection long portion 222 from the one end near the first short portion of ground connection 221, wherein, the one end in the first short portion of ground connection 221 and other one end of the first ground connection long portion 222 are diagonal position and diagonal angle end each other, and the bearing of trend of the second slotted eye 223 is consistent with the line direction of this pair diagonal angle end.First slotted eye 213 and the second slotted eye 223 form splayed jointly.
In the present embodiment, radiant body 210 is close to each other with the overlapping complimentary fashion that staggers with grounding parts 220, namely the first radiation long portion 211 of radiant body 210 is close to each other in the same horizontal line with the first short portion of ground connection 221 of grounding parts 220, the first short portion of radiation 212 of radiant body 210 is close to each other on a parallel other horizontal line with the first ground connection long portion 222 of grounding parts 220, wherein, profile lays respectively on these a pair parallel lines in two long limits of the first radiating antenna 200 of middle fluting rectangle.In the present embodiment, this overlapping complimentary fashion that the staggers frequency range being more conducive to adjusting antenna close to each other that radiant body 210 and grounding parts 220 adopt, also helps assembly welding feed line simultaneously.
In the present embodiment, when the length of antenna is 1/2 of electromagnetic wave signal wavelength, the transmitting and receiving of antenna are most effective.The length of the first radiation long portion 211 of the first radiating antenna 200 and the length sum of the first ground connection long portion 222 are roughly 1/2nd of the first resonate frequency wavelength, the length in the first short portion of radiation 212 and the length sum in the short portion 221 of the first ground connection are roughly 1/2nd of the second resonate frequency wavelength, and the transmitting and receiving of antenna are most effective.In the present embodiment, in antenna assembly, the working frequency range of each radiating antenna is 2.4GHz-2.48GHz and 5GHz-5.8GHz, the first resonance frequency is now located in the working frequency range of 2.4GHz-2.48GHz, and the second resonance frequency is located in the working frequency range of 5GHz-5.8GHz.
In the present embodiment, the response of the length major effect antenna low-frequency range of the first radiation long portion 211 and the first ground connection long portion 222, the response of the length major effect antenna high band in the first short portion of radiation 212 and the short portion 221 of the first ground connection.Therefore, by regulating the length in the first radiation long portion 211 and the short portion of the first radiation 212 and the first ground connection long portion 222 and the short portion 221 of the first ground connection, dual frequency radiation characteristic can be realized.
Fig. 3 is the curve chart of VSWR parameter value with frequency change of antenna assembly.Fig. 4 is the curve chart of S parameter value with frequency change of antenna assembly.This antenna assembly standing-wave ratio VSWR under 2.4GHz-2.48GHz and 5GHz-5.8GHz two working frequency range is all less than 2dB, and isolation is less than-10dB under 2.4GHz-2.48GHz working frequency range, under 5GHz-5.8GHz working frequency range, be all less than-15dB.This shows that this antenna assembly has less return loss and good matching effect and higher isolation under two frequency ranges.
According to embodiment of the present utility model as described above, these embodiments do not have all details of detailed descriptionthe, do not limit the specific embodiment that this utility model is only described yet.Obviously, according to above description, can make many modifications and variations.This specification is chosen and is specifically described these embodiments, is to explain principle of the present utility model and practical application better, thus makes art technical staff that the utility model and the amendment on the utility model basis can be utilized well to use.The utility model is only subject to the restriction of claims and four corner and equivalent.
Claims (12)
1. an antenna assembly, it is characterized in that, comprise medium substrate and be positioned at the same surface of described medium substrate and all identical the first to the 3rd radiating antenna of structure, wherein, first radiating antenna and the 3rd radiating antenna are Mirror Symmetry and lay respectively at the edge of described medium substrate two parallel sides, second radiating antenna is mutually isolated between described first radiating antenna and described 3rd radiating antenna, and the first radiating antenna, the 3rd radiating antenna are all vertical with described second radiating antenna, to make cross polarization each other between two adjacent radiating antennas.
2. antenna assembly according to claim 1, it is characterized in that, in the described first to the 3rd radiating antenna, each radiating antenna includes radiant body and grounding parts, and described radiant body and described grounding parts are all in step-like and close to each other with the overlapping complimentary fashion that staggers.
3. antenna assembly according to claim 2, is characterized in that, rectangular-shaped all in middle fluting of the profile of each radiating antenna described, and the middle slotted section of each radiating antenna described presents stepped and crosses two long limits of described rectangle.
4. antenna assembly according to claim 3, is characterized in that, described radiant body comprises the first short portion of radiation and the first radiation long portion, and the described first short portion of radiation superposes with described first radiation long portion mutually with common forming station scalariform.
5. antenna assembly according to claim 4, is characterized in that, described radiant body also comprises the first slotted eye, and described first slotted eye extends to the other one end near the described first short portion of radiation from the one end near described first radiation long portion.
6. antenna assembly according to claim 5, is characterized in that, described grounding parts comprises the first short portion of ground connection and the first ground connection long portion, and the described first short portion of ground connection superposes with described first ground connection long portion mutually with common forming station scalariform.
7. antenna assembly according to claim 6, is characterized in that, described grounding parts also comprises the second slotted eye, and described second slotted eye extends to the other one end near described first ground connection long portion from the one end near the described first short portion of ground connection.
8. antenna assembly according to claim 7, is characterized in that, described first slotted eye and described second slotted eye form splayed jointly.
9. antenna assembly according to claim 8, is characterized in that, the length of described first radiation long portion and the length sum of described first ground connection long portion are 1/2nd of the first resonate frequency wavelength.
10. antenna assembly according to claim 8, is characterized in that, the length in the described first short portion of radiation and the length sum in the described first short portion of ground connection are 1/2nd of the second resonate frequency wavelength.
11. antenna assemblies according to claim 1, is characterized in that, the spacing distance between described first radiating antenna and described 3rd radiating antenna is greater than 1/2nd of the first resonate frequency wavelength.
12. antenna assemblies according to claim 1, is characterized in that, in described antenna assembly, the working frequency range of each radiating antenna is 2.4GHz-2.48GHz and 5GHz-5.8GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520087894.2U CN204391268U (en) | 2015-02-06 | 2015-02-06 | Antenna assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520087894.2U CN204391268U (en) | 2015-02-06 | 2015-02-06 | Antenna assembly |
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| Publication Number | Publication Date |
|---|---|
| CN204391268U true CN204391268U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520087894.2U Active CN204391268U (en) | 2015-02-06 | 2015-02-06 | Antenna assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207437A (en) * | 2016-08-25 | 2016-12-07 | 胡达凯 | A kind of antenna |
| CN112909543A (en) * | 2021-02-08 | 2021-06-04 | 歌尔科技有限公司 | Antenna and wireless device |
-
2015
- 2015-02-06 CN CN201520087894.2U patent/CN204391268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207437A (en) * | 2016-08-25 | 2016-12-07 | 胡达凯 | A kind of antenna |
| CN112909543A (en) * | 2021-02-08 | 2021-06-04 | 歌尔科技有限公司 | Antenna and wireless device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN GUANGQI INTELLIGENT PHOTONICS TECHNOLOGY Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INNOVATION TECHNOLOGY CO., LTD. Effective date: 20150701 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150701 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Patentee after: Shenzhen Guang Qi intelligent photonic Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210401 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 518000 C, block 2007-27, East Xintiandi square, intersection of Shennan Road and Cai Tian Road, Futian District, Guangdong Patentee before: KUANG-CHI INTELLIGENT PHOTONIC TECHNOLOGY Ltd. |