CN102800924A - Triple-band antenna - Google Patents
Triple-band antenna Download PDFInfo
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- CN102800924A CN102800924A CN2011101414674A CN201110141467A CN102800924A CN 102800924 A CN102800924 A CN 102800924A CN 2011101414674 A CN2011101414674 A CN 2011101414674A CN 201110141467 A CN201110141467 A CN 201110141467A CN 102800924 A CN102800924 A CN 102800924A
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- oscillator
- vibrator
- ground plane
- frequency antenna
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Abstract
The invention discloses a triple-band antenna, which comprises a ground plane, a first vibrator, a second vibrator, a third vibrator and a feeder line. A plurality of cracks are formed in the first vibrator which is parallel to the ground plane. The second vibrator is arranged coplanarly with the first vibrator, and is parallel to the ground plane. A slot is formed between the second vibrator and the first vibrator. The third vibrator is arranged coplanarly with the first and second vibrators, and is parallel to the ground plane. A cross slot is formed in the third vibrator. The third vibrator and the second vibrator are connected with the ground plane through a connecting part. The feeder line comprises an inner core wire and a shielding layer. The shielding layer is connected with the ground plane. The inner core wire is connected to the second or third vibrator. According to the triple-band antenna, the cracks are formed in the first vibrator, so that the resonant frequency of the low-frequency vibrator is lowered to a required frequency point; and in addition, the cross slot is reserved in the third vibrator, so that the width of the triple-band antenna is increased, and the high-frequency vibrator meets the operation requirements of a required band. Therefore, the good signal transmission and receiving effects of the triple-band antenna are ensured.
Description
[technical field]
The present invention relates to a kind of antenna, be specifically related to a kind of three-frequency antenna that can work in GSM900, DCS1800, three frequency ranges of WCDMA2100 simultaneously.
[background technology]
In recent years, along with personal communication and mobile communication fast development in worldwide, start the upsurge of using 3G in the worldwide.Notebook computer is widely used as the instrument of mobile office communication; For better catering to the market comsupton idea; Notebook computer also begins to dispose the 3G function; And WCDMA (WCDMA) a kind ofly formulates by 3GPP (3G (Third Generation) Moblie collaborative project group) is concrete, is core net based on GSM/MAP, and UTRAN (land radio access web) is the 3-G (Generation Three mobile communication system) of wave point.
The 3G module that notebook computer disposed of manufacturers produce is all backward compatible at present; Contain GSM (global system for mobile communications) system; So module spendable working band scope is: GSM900 (880MHz～960MHz), DSC1800 (1710MHz～1880MHz), WCDMA2100 (1920MHz～2170MHz); This just has higher requirement to the built-in aerial of notebook computer; Antenna must meet the requirement of these three frequency bands simultaneously, and mobile communication at present employed mostly be single GSM antenna or WCDMA2100 band antenna, do not meet the requirement of these three frequency bands simultaneously.
In view of this, be necessary to develop a kind of three-frequency antenna in fact, to address the above problem.
[summary of the invention]
Therefore, the purpose of this invention is to provide a kind of three-frequency antenna, this three-frequency antenna meets (880MHz～960MHz), DSC1800 (1710MHz～1880MHz), the WCDMA2100 (requirement of 1920MHz～2170MHz) of above-mentioned three frequency band GSMs 900 simultaneously.
In order to achieve the above object, three-frequency antenna of the present invention comprises:
Ground plane;
First oscillator which is provided with some cracks, and this first oscillator and above-mentioned ground plane parallel;
Second oscillator, itself and the above-mentioned first oscillator coplane setting also parallel with ground plane, are provided with slit between this second oscillator and above-mentioned first oscillator;
The 3rd oscillator, itself and above-mentioned first oscillator and the second oscillator coplane setting also parallel with ground plane, and the 3rd oscillator is provided with cross recess, and the 3rd oscillator is connected with above-mentioned ground plane through connecting portion with second oscillator;
Feeder line, this feeder line comprises internal core wire and screen, and this screen is connected with ground plane, and this internal core wire is connected on second oscillator or the 3rd oscillator.
Especially, the length of above-mentioned ground plane, first oscillator, second oscillator, the 3rd oscillator is shortened by long successively.
Especially, the frequency range of this first oscillator, second oscillator and the 3rd oscillator difference corresponding 880MHz～960MHz, 1710MHz～1880MHz and 1920MHz～2170MHz.
Especially, the effective length of this first oscillator, second oscillator and the 3rd oscillator corresponds respectively to the wavelength ratio of a CF in above-mentioned three frequency ranges.
Especially, this three-frequency antenna is base material with the phosphor bronze, adopts the one-body molded mode of mould to make.
Especially, above-mentioned feeder line also comprises insulating medium layer.
Compared to prior art; Three-frequency antenna of the present invention; Through first oscillator, second oscillator, the 3rd oscillator are set, reach and on first oscillator, open crack, on the 3rd oscillator, open cross recess; ((1710MHz～1880MHz), (1920MHz～2170MHz) corresponding can guarantee that so this three-frequency antenna has preferable signal emission and reception to WCDMA2100 for 880MHz～960MHz), DSC1800 thereby with above-mentioned three frequency band GSMs 900.
[description of drawings]
Fig. 1 illustrates the sketch map of three-frequency antenna of the present invention angle in preferred embodiment.
Fig. 2 illustrates the sketch map of three-frequency antenna of the present invention another angle in preferred embodiment.
[embodiment]
For the object of the invention, structural feature and function are had further understanding, conjunction with figs. specifies as follows now:
See also Fig. 1, shown in Figure 2, it illustrates the sketch map of the sketch map of three-frequency antenna of the present invention angle in preferred embodiment, three-frequency antenna of the present invention another angle in preferred embodiment respectively.Three-frequency antenna of the present invention, in present embodiment, this three-frequency antenna is base material with the phosphor bronze, adopts the one-body molded mode of mould to make, this three-frequency antenna comprises:
The 3rd oscillator 300; Itself and above-mentioned first oscillator 100 and the 200 coplane settings of second oscillator also parallel with ground plane 400; The 3rd oscillator 300 is provided with cross recess 310, and this cross recess has caused the reduction of this three-frequency antenna Q value, thereby the width of three-frequency antenna is increased; And the 3rd oscillator 300 is connected with above-mentioned ground plane 400 through connecting portion 410 with second oscillator 200, and the 3rd oscillator 300 is the high frequency oscillator;
This first oscillator 100, second oscillator 200 and the 3rd oscillator 300 and 400 of above-mentioned ground planes all form corresponding resonant cavity; In present embodiment; The length of this ground plane 400, first oscillator 100, second oscillator 200 and the 3rd oscillator 300 is shortened by long successively; Promptly this ground plane 400 is the longest; First oscillator 100 takes second place; Second oscillator 200 takes second place again, and the 3rd oscillator 300 is the shortest, thus this first oscillator 100, second oscillator 200 and the 3rd oscillator 300 corresponding GSM900 (880MHz～960MHz), DSC1800 (1710MHz～1880MHz) and the WCDMA2100 (frequency range of 1920MHz～2170MHz) respectively; And the effective length of this first oscillator 100, second oscillator 200 and the 3rd oscillator 300 corresponds respectively to the wavelength ratio of a CF in above-mentioned three frequency ranges, thereby guarantees that this three-frequency antenna all has preferable signal emission and reception in each frequency range;
Three-frequency antenna of the present invention also comprises feeder line 500; This feeder line 500 is generally coaxial cable; It comprises internal core wire 510 and screen 520; Include insulating medium layer 530 between this internal core wire 510 and the screen 520 and between this screen 520 and the external world around it, these screen 520 1 ends and ground plane 400 electrically connect, and the other end of this screen 520 is connected with the earth terminal of the notebook computer that uses this three-frequency antenna; These internal core wire 510 1 ends are electrically connected on second oscillator 200 or the 3rd oscillator 300, and the other end is electrically connected at the microwave receiving or the transmitting element of the notebook computer that uses this three-frequency antenna.
When this three-frequency antenna received signal, signal transmission from first oscillator 100, second oscillator 200, the 3rd oscillator 300 was come in, and is transferred on the notebook computer that this three-frequency antenna is installed through feeder line 500; When this three-frequency antenna transmits, otherwise carry out.
Reflection loss through this three-frequency antenna of emulation; Can obtain: in low frequency part, the frequency of operation of this three-frequency antenna is 870～975MHz, at HFS; The frequency of operation of this three-frequency antenna is 1640～2300MHz, and this low frequency part and HFS all satisfy the operation requirement of required frequency band.
Three-frequency antenna of the present invention is employed in the suitable crack 110 of adding on first oscillator 100; Make the resonance frequency of low frequency oscillator can be reduced to needed Frequency point; Offer cross recess on the 3rd oscillator 300 of this three-frequency antenna simultaneously; The width of this three-frequency antenna is increased, make the high frequency oscillator satisfy the operation requirement of required frequency band, can guarantee that so this three-frequency antenna has preferable signal emission and reception.
Claims (6)
1. a three-frequency antenna is characterized in that, this three-frequency antenna comprises:
Ground plane;
First oscillator which is provided with some cracks, and this first oscillator and above-mentioned ground plane parallel;
Second oscillator, itself and the above-mentioned first oscillator coplane setting also parallel with ground plane, are provided with slit between this second oscillator and above-mentioned first oscillator;
The 3rd oscillator, itself and above-mentioned first oscillator and the second oscillator coplane setting also parallel with ground plane, and the 3rd oscillator is provided with cross recess, and the 3rd oscillator is connected with above-mentioned ground plane through connecting portion with second oscillator;
Feeder line, this feeder line comprises internal core wire and screen, and this screen is connected with ground plane, and this internal core wire is connected on second oscillator or the 3rd oscillator.
2. three-frequency antenna according to claim 1 is characterized in that, the length of above-mentioned ground plane, first oscillator, second oscillator, the 3rd oscillator is shortened by long successively.
3. three-frequency antenna according to claim 1 and 2 is characterized in that, this first oscillator, second oscillator and the 3rd oscillator be the frequency range of corresponding 880MHz～960MHz, 1710MHz～1880MHz and 1920MHz～2170MHz respectively.
4. three-frequency antenna according to claim 3 is characterized in that, the effective length of this first oscillator, second oscillator and the 3rd oscillator corresponds respectively to the wavelength ratio of a CF in above-mentioned three frequency ranges.
5. three-frequency antenna according to claim 1 is characterized in that, this three-frequency antenna is base material with the phosphor bronze, adopts the one-body molded mode of mould to make.
6. three-frequency antenna according to claim 1 is characterized in that above-mentioned feeder line also comprises insulating medium layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101414674A CN102800924A (en) | 2011-05-27 | 2011-05-27 | Triple-band antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101414674A CN102800924A (en) | 2011-05-27 | 2011-05-27 | Triple-band antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102800924A true CN102800924A (en) | 2012-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101414674A Pending CN102800924A (en) | 2011-05-27 | 2011-05-27 | Triple-band antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN102800924A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064873A (en) * | 2013-03-18 | 2014-09-24 | 神讯电脑(昆山)有限公司 | Multi-frequency antenna |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393956A (en) * | 2001-06-25 | 2003-01-29 | 奇美数位股份有限公司 | Broadband dual-frequency antenna |
| CN2593384Y (en) * | 2002-12-04 | 2003-12-17 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN2689482Y (en) * | 2004-04-08 | 2005-03-30 | 上海交通大学 | Built-in small planar F shaped three-frequency antenna |
| CN1753248A (en) * | 2004-09-22 | 2006-03-29 | 华硕电脑股份有限公司 | Mobile communiation device and its planar antenna structure |
| CN202167611U (en) * | 2011-05-27 | 2012-03-14 | 神讯电脑(昆山)有限公司 | Three-frequency antenna |
-
2011
- 2011-05-27 CN CN2011101414674A patent/CN102800924A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393956A (en) * | 2001-06-25 | 2003-01-29 | 奇美数位股份有限公司 | Broadband dual-frequency antenna |
| CN2593384Y (en) * | 2002-12-04 | 2003-12-17 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN2689482Y (en) * | 2004-04-08 | 2005-03-30 | 上海交通大学 | Built-in small planar F shaped three-frequency antenna |
| CN1753248A (en) * | 2004-09-22 | 2006-03-29 | 华硕电脑股份有限公司 | Mobile communiation device and its planar antenna structure |
| CN202167611U (en) * | 2011-05-27 | 2012-03-14 | 神讯电脑(昆山)有限公司 | Three-frequency antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064873A (en) * | 2013-03-18 | 2014-09-24 | 神讯电脑(昆山)有限公司 | Multi-frequency antenna |
| CN104064873B (en) * | 2013-03-18 | 2016-12-28 | 神讯电脑(昆山)有限公司 | Multifrequency antenna |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121128 |