CN102769180B - Omnidirectional antenna and electronic device - Google Patents
Omnidirectional antenna and electronic device Download PDFInfo
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- CN102769180B CN102769180B CN201210222159.9A CN201210222159A CN102769180B CN 102769180 B CN102769180 B CN 102769180B CN 201210222159 A CN201210222159 A CN 201210222159A CN 102769180 B CN102769180 B CN 102769180B
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- 239000000758 substrate Substances 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 16
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract 4
- 238000004891 communication Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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Abstract
The invention provides an omnidirectional antenna and an electronic device. The antenna comprises a dielectric substrate including two surfaces, a first radiation unit and a second radiation unit, wherein the first radiation unit is arranged on one surface of the dielectric substrate and comprises a first long arm and a first short arm a certain distance away from the first long arm; and the second radiation unit comprises a second long arm and a second short arm a certain distance away from the second long arm, the second long arm and the second short arm are respectively opposite to the first short arm and the first long arm, and a gap is formed between the first long arm and the second long arm. The omnidirectional antenna provided by the invention is a dual-frequency broadband omnidirectional antenna, can work in two frequency bands; the impedance is adjustable and the center frequency point can also be adjusted as required; and an electronic device employing the omnidirectional antenna can achieve wireless signal transmission based on IEEE 802.11, and can meet the demand of wireless signal coverage within a certain region.
Description
Technical field
The present invention relates to wireless telecommunications system field, more particularly, relate to a kind of omnidirectional antenna and the electronic installation with this omnidirectional antenna of application.
Background technology
In wireless telecommunication system, user continues to improve to wireless telecommunication system data throughout, the QoS service quality of high request and the strong requirement of antijamming capability.As, in the communication systems such as IEEE802.11a/g/h, WAP (wireless access point) (AP) carrys out mutual data transmission between one or more wireless user equipment by wireless link.This wireless user equipment easily may be subject to change or interference etc. in other access point, other wireless communication apparatus, wireless link environment between this access point and this long-range acceptance point.This interference may make the transmission data capability of wireless link greatly reduce or the error rate greatly improves and QoS service is second-rate and cause user to stand.
Wireless electron device such as portable computer and hand-hold electronic device become more and more popular.Such as these equipment has wireless communication ability usually.Such as, some electronic installations can use long distance wireless communication circuit such as cell phone circuit, communicate to utilize the cellular telephone band of 850MHz, 900MHz, 1800MHz and 1900MHz (such as, main global system for mobile communications or the cellular frequency band of GSM).Also long distance wireless communication processing of circuit 2100MHZ frequency band and other frequency band can be used.Electronic installation can use short-range wireless communication link to process the communication with neighbouring equipment.Such as, wireless communication electronic device can use Bluetooth (bluetooth) frequency bands for communication of the Wi-Fi of 2.4GHz and 5GHz (IEEE 802.11) frequency band (being sometimes called wireless local area network bands) and 2.4GHz.
The present especially Wireless Mobile Internet high speed development based on IEEE 802.11 agreement, Wireless Mobile Internet equipment, system and subsystem propose the higher technical parameter requirement such as (yield value, standing wave and multiple antennas isolation parameter) to antenna module, and antenna also becomes restriction Wireless Mobile Internet equipment, system and the unified important technology bottleneck of subsystem.The place of the comprehensive coverage radio network network of ask for something, not only needs antenna to have good technical parameter, also proposes requirement to the directivity of antenna.Therefore need the antenna of the improvement being provided for wireless electron device, such as, its application comprises radio reception device and wireless routing device etc.
Summary of the invention
In order to solve the problem, the invention provides a kind of omnidirectional antenna, this omnidirectional antenna has good omni-directional, the requirement that the electronic installation wireless signal meeting this omnidirectional antenna of application covers, good, stable wireless signal can be provided for the network user in certain area, to achieve these goals, the present invention adopts following technical scheme.
A kind of omnidirectional antenna, is characterized in that, comprising: a medium substrate, comprises two surfaces; First radiating element, be arranged at described medium substrate one surface, comprise first long-armed and with described first long-armed spaced first galianconism; Second radiating element, comprise second long-armed and with described second long-armed spaced second galianconism, described second long-armed and described second galianconism respectively with described first galianconism and described first long-armed relative, described first long-armed and described second long-armed between form a gap.
Further, described first radiating element and described second radiating element Central Symmetry.
Further, described medium substrate is rectangular, has a longitudinal centre line, and described first long-armed and described second long-armed inner side overlaps with described center line respectively, and described first long-armed and described second long-armed end forms described gap.
Further, described first radiating element and described second radiating element all rectangular, described first long-armed, described first galianconism and described second long-armed, described second galianconism extending respectively from described first radiating element and described second radiating element.
Further, described first long-armed, described first galianconism and described second long-armed, described second galianconism rectangular.
Further, described gap is rectangular.
Further, described first long-armed and described second long-armed length in the horizontal equals the half of described medium substrate lateral length.
Further, the position that described in described first long-armed and described second long-armed interval, gap is relative forms distributing point and earth point.
Further, also comprise a signal transmssion line, described signal transmssion line is electrically connected on described distributing point.
The present invention also provides a kind of electronic installation, can carry out the transmitting-receiving of wireless signal, comprise the omnidirectional antenna of preceding claim.
Further, described electronic installation comprises WAP (wireless access point) and router.
Omnidirectional antenna of the present invention is a kind of double-frequency broadband omnidirectional antenna, can work under two frequency ranges, and impedance adjustable, center frequency point also can regulate as required, the electronic installation applying this omnidirectional antenna can carry out transmission of wireless signals based on IEEE 802.11, can meet the requirement that in certain area, wireless signal covers.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural representation of omnidirectional antenna of the present invention;
Fig. 2 is the emulation S parameter curve chart of Fig. 1 omnidirectional antenna.
Embodiment
Now in detail with reference to the embodiment described in accompanying drawing.In order to complete understanding the present invention, refer to numerous detail in the following detailed description.But it should be appreciated by those skilled in the art that the present invention can realize without the need to these details.In other embodiments, be not described in detail known method, process, assembly and circuit, in order to avoid unnecessarily make embodiment fuzzy.
A kind of execution mode for omnidirectional antenna of the present invention shown in Figure 1, this omnidirectional antenna comprises medium substrate 1, first radiating element 2, second radiating element 3 and gap 4, medium substrate 1 has two surfaces, and the first radiating element 2, second radiating element 3 and gap 4 are all arranged on the same surface of medium substrate 1.First radiating element 2 and the second radiating element 3 is centrosymmetric is distributed on medium substrate 1, its symmetrical centre is the intersection point of medium substrate longitudinal centre line and cross central line, first radiating element 2 and the second radiating element 3 all rectangular, its respective inner side overlaps with longitudinal centre line respectively.First radiating element 2 and the second radiating element 3 separately interval be provided with the first long-armed 21, first galianconism 22 and the second long-armed 31, second galianconism 32, limit relative with the second radiating element 3 from the first radiating element 2 is respectively extended, first long-armed 21 with the first galianconism 22 respectively with the second galianconism 32 and second long-armed 31 relative.Gap 4 is arranged between first long-armed 21 and second long-armed 31, formed in both ends, this gap 4 is rectangular, first long-armed 21 position relative with the second long-armed 31 spaced slots 4 forms distributing point 211 and earth point 311, distributing point also can be arranged on second long-armed 31, and corresponding earth point is arranged on first long-armed 31.
Medium substrate 1 can adopt FR4, first radiating element 2 and the second radiating element 3 directly can be processed by sheet metal, then be attached to the surface of medium substrate 1, also can be covered with the shape that metal level after etching goes out the first radiating element 2 and the second radiating element 3 on the surface of medium substrate 1.
In the present embodiment, first radiating element 2, second radiating element 3 is arranged on the same surface of medium substrate 1, in other implementations, can the first radiating element 2, second radiating element 3, be arranged on the different surface of medium substrate 1, such as, a surface of medium substrate 1 is arranged at the first radiating element 2, second radiating element 3 is arranged at another surface of medium substrate 1, and the plated-through hole then by running through medium substrate 1 makes distributing point and earth point be in the same surface of medium substrate 1.
The widths affect in gap 4 working frequency range of antenna high and low frequency, and the width increase in gap 4 can make the working frequency range of antenna move forward; First long-armed 21 and first galianconism 22 spacing, the second long-armed 31 and second galianconism 32 effect of distance high-frequency work frequency range and impedance, pitch smaller then working frequency range reach; The length of the first galianconism 22 and the second galianconism 32 affects low frequency and high frequency, length simultaneously, and working frequency range moves forward; Distance between distance between the first galianconism 22 and second long-armed 31, the first long-armed 21 and second galianconism 32 also affects working frequency range and the impedance of antenna.
This antenna also comprises a signal transmssion line (not shown), and this signal transmssion line connects distributing point 211 and earth point 311, carries out the transmission of signal between antenna and electronic installation.
Shown in Figure 1 again, the figure shows a kind of concrete antenna, this overall antenna length degree is 48mm, first radiating element 2 and the second radiating element 3 width are 8mm, the length of the first radiating element 2 and the second radiating element 3 rectangle part and arm portion is 25mm, the length of the first radiating element 2 and the second radiating element 3 rectangle part and galianconism part is 22mm, and galianconism width is 1.6mm, and gap 4 width is 0.6mm.
Shown in Figure 2 is the emulation S parameter curve chart of Fig. 1 omnidirectional antenna, chooses frequency is carried out in loss mark at-10dB critical localisation, as shown in the table:
| Frequency/GHz | Loss/dB |
| 2.2334 | -10.094 |
| 2.687 | -10.003 |
| 5.0241 | -10 |
| 6.0077 | -10.045 |
This antenna has the loss of below-10dB under 2.2334-2.687GHz and 5.0241-6.0077GHz as shown above, shows that this antenna can work normally in 2.2334-2.687GHz and 5.0241-6.0077GHz band limits.
Omnidirectional antenna of the present invention can be used in electronic installation, makes electronic installation carry out wireless signal transmitting-receiving by this omnidirectional antenna.Being connected with the circuit in electronic installation as this antenna is based on existing scheme, does not endure state at this.
It is worth mentioning that, the electronic installation of this antenna applications includes but not limited to WAP (wireless access point), router, bluetooth module etc.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (8)
1. an omnidirectional antenna, is characterized in that, comprising:
One medium substrate, comprises two surfaces;
First radiating element, be arranged at described medium substrate one surface, comprise first long-armed and with described first long-armed spaced first galianconism;
Second radiating element, comprise second long-armed and with described second long-armed spaced second galianconism, the end of described second long-armed end and described second galianconism is relative with described first long-armed end with the end of described first galianconism respectively, described first long-armed and described second long-armed between form a gap;
Wherein, described medium substrate is rectangular and have a longitudinal centre line and a cross central line, described first radiating element and described second radiating element Central Symmetry, and symmetrical centre is the intersection point of described medium substrate longitudinal centre line and cross central line, described first long-armed and described second long-armed inner side overlaps with described longitudinal centre line respectively, described first long-armed and described second long-armedly on the direction of the longitudinal centre line along described medium substrate, be provided with overlapping region, and described first inner side that is long-armed and described second long-armed end being positioned at described overlapping region forms described gap, the position that described in described first long-armed and described second long-armed interval, gap is relative forms distributing point and earth point.
2. omnidirectional antenna according to claim 1, it is characterized in that, described first radiating element and described second radiating element all rectangular, described first long-armed, described first galianconism and described second long-armed, described second galianconism extending respectively from described first radiating element and described second radiating element.
3. omnidirectional antenna according to claim 2, is characterized in that, described first long-armed, described first galianconism and described second long-armed, described second galianconism rectangular.
4. omnidirectional antenna according to claim 1, is characterized in that, described gap is rectangular.
5. the omnidirectional antenna according to Claims 2 or 3 or 4, is characterized in that, described first long-armed and described second long-armed length in the horizontal equals the half of described medium substrate lateral length.
6. omnidirectional antenna according to claim 1, is characterized in that, also comprises a signal transmssion line, and described signal transmssion line is electrically connected on described distributing point.
7. an electronic installation, can carry out the transmitting-receiving of wireless signal, it is characterized in that, comprise the omnidirectional antenna described in any one of claim 1-6.
8. electronic installation according to claim 7, is characterized in that, described electronic installation comprises WAP (wireless access point) and router.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210222159.9A CN102769180B (en) | 2012-06-29 | 2012-06-29 | Omnidirectional antenna and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210222159.9A CN102769180B (en) | 2012-06-29 | 2012-06-29 | Omnidirectional antenna and electronic device |
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| CN102769180A CN102769180A (en) | 2012-11-07 |
| CN102769180B true CN102769180B (en) | 2015-05-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210328349A1 (en) * | 2018-12-28 | 2021-10-21 | Vivo Mobile Communication Co., Ltd | Wireless electronic communications device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901959A (en) * | 2009-05-27 | 2010-12-01 | 卡西欧计算机株式会社 | Multiband planar antenna and electronic equipment |
| TW201112492A (en) * | 2009-01-02 | 2011-04-01 | Laird Technologies Inc | Multiband high gain omnidirectional antennas |
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- 2012-06-29 CN CN201210222159.9A patent/CN102769180B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201112492A (en) * | 2009-01-02 | 2011-04-01 | Laird Technologies Inc | Multiband high gain omnidirectional antennas |
| CN101901959A (en) * | 2009-05-27 | 2010-12-01 | 卡西欧计算机株式会社 | Multiband planar antenna and electronic equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210328349A1 (en) * | 2018-12-28 | 2021-10-21 | Vivo Mobile Communication Co., Ltd | Wireless electronic communications device |
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| CN102769180A (en) | 2012-11-07 |
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Application publication date: 20121107 Assignee: Shenzhen Guangqi metamaterials Technology Co. Ltd. Assignor: Shenzhen Guangqi Hezhong Technology Co., Ltd. Contract record no.: 2017440020031 Denomination of invention: Omnidirectional antenna and electronic device Granted publication date: 20150527 License type: Exclusive License Record date: 20170426 |
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Effective date of registration: 20210209 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: 15d-02f, building 1, Yangguang Huayi building, xiguimiao Road, Nanhai Avenue, Nanshan District, Shenzhen Patentee before: SHEN ZHEN KUANG-CHI HEZHONG TECHNOLOGY Ltd. |