CN202167611U - Three-frequency antenna - Google Patents

Three-frequency antenna Download PDF

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Publication number
CN202167611U
CN202167611U CN 201120173262 CN201120173262U CN202167611U CN 202167611 U CN202167611 U CN 202167611U CN 201120173262 CN201120173262 CN 201120173262 CN 201120173262 U CN201120173262 U CN 201120173262U CN 202167611 U CN202167611 U CN 202167611U
Authority
CN
China
Prior art keywords
oscillator
ground plane
frequency antenna
frequency
mentioned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201120173262
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Chinese (zh)
Inventor
沈细荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitac Computer Kunshan Co Ltd
Original Assignee
Mitac Computer Kunshan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitac Computer Kunshan Co Ltd filed Critical Mitac Computer Kunshan Co Ltd
Priority to CN 201120173262 priority Critical patent/CN202167611U/en
Application granted granted Critical
Publication of CN202167611U publication Critical patent/CN202167611U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a three-frequency antenna which includes a ground plane, a first oscillator, a second oscillator, a third oscillator, and a feed line. The first oscillator is provided with a plurality of cracks, and is arranged in parallel with the ground plane. The second oscillator is arranged on the same plane with the first oscillator, and is arranged in parallel with the ground plane. A slot is arranged between the first oscillator and the second oscillator. The third oscillator is arranged on the same plane with the first oscillator and the second oscillator, and is arranged in parallel with the ground plane, and is provided with a cross groove. The third oscillator and the second third oscillator are connected with the ground plane via a connecting part. The feed wire includes an internal core wire and a shielding layer. The shielding layer is connected with the ground plane. The internal core wire is connected with the second oscillator or the third oscillator. The three-frequency antenna adds the cracks on the first oscillator so as to reduce the resonance frequency of a low frequency oscillator to a required frequency point, and at the same time, the third oscillator is provided with the cross groove, so the width of the three-frequency antenna is increased, and a high frequency oscillator can satisfy the operation requirement of a required frequency band, and consequently the three-frequency antenna can be guaranteed to have an excellent signal transmitting and receiving effect.

Description

Three-frequency antenna
[technical field]
The utility model relates to a kind of antenna, is 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 the utility model provides a kind of three-frequency antenna, and 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, the three-frequency antenna of the utility model 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; The three-frequency antenna of the utility model; 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 angle in preferred embodiment of the utility model.
Fig. 2 illustrates the sketch map of three-frequency antenna another angle in preferred embodiment of the utility model.
[embodiment]
For purpose, structural feature and function to the utility model have further understanding, conjunction with figs. specifies as follows now:
See also Fig. 1, shown in Figure 2, it illustrates the sketch map of three-frequency antenna another angle in preferred embodiment of sketch map, the utility model of three-frequency antenna angle in preferred embodiment of the utility model respectively.The three-frequency antenna of the utility model, 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:
Ground plane 400;
First oscillator 100; Its edge is provided with some cracks 110; These some cracks 110 have increased the effective length of this first oscillator 100, thereby make the resonance frequency of this first oscillator 100 be reduced to needed Frequency point, and these some cracks 110 that this three-frequency antenna is taken up room is little; This first oscillator 100 parallels with above-mentioned ground plane 400, and this first oscillator 100 is the low frequency oscillator;
Second oscillator 200, itself and the 100 coplane settings of above-mentioned first oscillator also parallel with ground plane 400, and this second oscillator 200 and 100 of above-mentioned first oscillators are provided with slit 210, and this second oscillator 200 is the high frequency oscillator;
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;
The three-frequency antenna of the utility model 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.
The three-frequency antenna of the utility model 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 (5)

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 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.
5. three-frequency antenna according to claim 1 is characterized in that above-mentioned feeder line also comprises insulating medium layer.
CN 201120173262 2011-05-27 2011-05-27 Three-frequency antenna Expired - Fee Related CN202167611U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120173262 CN202167611U (en) 2011-05-27 2011-05-27 Three-frequency antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120173262 CN202167611U (en) 2011-05-27 2011-05-27 Three-frequency antenna

Publications (1)

Publication Number Publication Date
CN202167611U true CN202167611U (en) 2012-03-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120173262 Expired - Fee Related CN202167611U (en) 2011-05-27 2011-05-27 Three-frequency antenna

Country Status (1)

Country Link
CN (1) CN202167611U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102800924A (en) * 2011-05-27 2012-11-28 神讯电脑(昆山)有限公司 Triple-band antenna
WO2020037558A1 (en) * 2018-08-22 2020-02-27 深圳市大疆创新科技有限公司 Antenna and unmanned aerial vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102800924A (en) * 2011-05-27 2012-11-28 神讯电脑(昆山)有限公司 Triple-band antenna
WO2020037558A1 (en) * 2018-08-22 2020-02-27 深圳市大疆创新科技有限公司 Antenna and unmanned aerial vehicle

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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: 20120314

Termination date: 20160527