CN202217786U - Multi-frequency antenna - Google Patents

Multi-frequency antenna Download PDF

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Publication number
CN202217786U
CN202217786U CN 201120313523 CN201120313523U CN202217786U CN 202217786 U CN202217786 U CN 202217786U CN 201120313523 CN201120313523 CN 201120313523 CN 201120313523 U CN201120313523 U CN 201120313523U CN 202217786 U CN202217786 U CN 202217786U
Authority
CN
China
Prior art keywords
frequency
arm
radio
low band
band
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 201120313523
Other languages
Chinese (zh)
Inventor
柯庆祥
施凯
萧岚庸
苏嘉宏
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.)
Foxlink Electronics Dongguan Co Ltd
Cheng Uei Precision Industry Co Ltd
Original Assignee
Foxlink Electronics Dongguan Co Ltd
Cheng Uei Precision Industry 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 Foxlink Electronics Dongguan Co Ltd, Cheng Uei Precision Industry Co Ltd filed Critical Foxlink Electronics Dongguan Co Ltd
Priority to CN 201120313523 priority Critical patent/CN202217786U/en
Application granted granted Critical
Publication of CN202217786U publication Critical patent/CN202217786U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a multi-frequency antenna for reception and emission of five electromagnetic wave signals with different frequency bands. The multi-frequency antenna comprises a substrate and a conductive layer arranged on the right side of the substrate. The conductive layer comprises a feed-in end, a grounding end, and a connecting portion that forward extends along the feed-in end. The rear end of the connecting portion extends to the left to form a first high frequency portion for controlling a third frequency band. The front end of the connecting portion is bent to the left and extends to form a low frequency portion for controlling a first frequency band and a second frequency band. The front end of the connecting portion extends to the right to form a second high frequency portion for controlling a fourth frequency band. The second high frequency portion is connected with the grounding end and is wider than the first high frequency portion. Resonance is formed between the second high frequency portion and the first high frequency portion, and a fifth frequency band is controlled. The multi-frequency antenna satisfies communication standard requirements of various standards.

Description

Multifrequency antenna
Technical field
The utility model relates to communication equipment field, relates in particular to the multifrequency antenna that a kind of finite volume also can satisfy various communication standard requirements.
Background technology
Flourish along with the high-tech communication industry, portable communication applications more and more widely, especially the 4G communication is more and more universal, therefore, for device for mobile communication for example the antenna of mobile phone and notebook computer etc. use the frequency range demand increasingly high.
Yet miniaturization development along with mobile communication; Especially the miniaturization of communication device such as mobile phone makes its built-in aerial limited volume, again because device for mobile communication causes antenna to produce the resonance shift of varying strength through regular meeting in use; This resonant frequency shift must pass through bandwidth compensation; So how the bandwidth that is actual antennas needs greater than design bandwidth, but increase the area that bandwidth often need increase radiation areas in the antenna, making multifrequency antenna under limited space; To satisfy various communication standard requirements, be the problem of those skilled in the art's required solution.
Therefore, it is little and can satisfy the multifrequency printed antenna of various communication standard requirements to be badly in need of a kind of volume.
The utility model content
The purpose of the utility model is a kind of finite volume to be provided and can to satisfy the multifrequency antenna that various communication standards require to the deficiency of above-mentioned prior art.
For realizing above-mentioned purpose; The utility model provides a kind of multifrequency antenna; Be used to receive and launch the electromagnetic wave signal of five different frequency bands; Said multifrequency antenna comprises substrate and is formed at the conductive layer on the front of said substrate; Said conductive layer comprises the feed side, is positioned at the connecting portion that the feed side is faced the earth terminal of side, extended to form forward along said feed side, and the rear end of said connecting portion extends to form first radio-frequency head of control the 3rd frequency band left, and the front end of said connecting portion bends the low frequency portion that extends to form control first frequency band and second frequency band left; The front end of said connecting portion extends to form second radio-frequency head of control the 4th frequency band to the right; Said second radio-frequency head links to each other with said earth terminal, and said second radio-frequency head is wider than said first radio-frequency head, produces resonance between said second radio-frequency head and said first radio-frequency head and controls the 5th frequency band.
As stated, produce resonance between second radio-frequency head of the utility model and said first radio-frequency head and control the 5th frequency band, widened the frequency band of multifrequency antenna medium-high frequency, make this multifrequency antenna can satisfy the communication standard requirement of multiple standard.
Description of drawings
Fig. 1 is the schematic perspective view of conductive layer in the utility model multifrequency antenna.
Fig. 2 is the vertical view of conductive layer described in Fig. 1.
Each description of reference numerals is following among the figure:
Conductive layer 1 feed side 11
Earth terminal 12 connecting portions 13
First radio-frequency head, 21 second radio-frequency heads 22
Low frequency portion 30 first low band arm 31
Second low band arm 32 the 3rd low band arm 33
Bent sheet 34 compensator arms 35
41 second gaps 42, first gap
Third space 43
Embodiment
By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.
With reference to figure 1 and Fig. 2; The utility model multifrequency antenna is used to receive and launch the electromagnetic wave signal of five different frequency bands, and it comprises substrate and is formed at the conductive layer 1 on the front of said substrate; 1 coverlay that is coated with one deck black outward of said conductive layer, the back of said substrate post the back of the body and mould.
Continuation is with reference to figure 1 and Fig. 2; Said conductive layer 1 comprises feed side 11, is positioned at the connecting portion 13 that feed side 11 is faced the earth terminal 12 of side, extended to form forward along said feed side 11; The rear end of said connecting portion 13 extends to form first radio-frequency head 21 of control the 3rd frequency band left; The front end of said connecting portion 13 bends the low frequency portion 30 that extends to form control first frequency band and second frequency band left; The front end of said connecting portion 13 extends to form second radio-frequency head 22 of control the 4th frequency band to the right; Said second radio-frequency head 22 links to each other with said earth terminal 12, and said second radio-frequency head 22 is wider than said first radio-frequency head 21, produces resonance between said second radio-frequency head 22 and said first radio-frequency head 21 and controls the 5th frequency band.Wherein, above-mentioned radiant section is copper plate, and said grounding parts 12 is Gold plated Layer with said feed side 11.
Wherein, The frequency range of said first frequency band is 824~894MHz; The frequency range of said second frequency band is 880~960MHz; The frequency range of said the 3rd frequency band is 1710~1880MHz, and the frequency range of said the 4th frequency band is 1850~1990MHz, and the frequency range of said the 5th frequency band is 1920~2170MHz.
Particularly; Continuation is with reference to figure 1 and Fig. 2; The bent sheet 34 that said low frequency portion 30 comprises first low band arm 31 that extends to form along the front end of said connecting portion 13 left, extend to form along said first low band arm, 31 tip forward bending, second low band arm 32 that extends to form to the right along said bent sheet 34, extend along the bending of said second low band arm 32 tip forward sides after the 3rd low band arm 33 that extends to form of bending downwards again; Said first low band arm 31 is parallel to each other with said second low band arm 32 and the 3rd low band arm 33; Said first low band arm 31 forms first gap 41 with said second low band arm 32; Form second gap 42 with said the 3rd low band arm 33, the said second high frequency arm 22 is positioned at outside said first gap 41 and second gap 42.
Particularly, continue with reference to figure 1 and Fig. 2, said second low band arm 32 is extended from the right side central of said bent sheet 34, and the front end of said bent sheet 34 extends to form compensator arm 35 to the left bending after bending extension downwards again.The vertical left bending of said compensator arm 35 back to said bent sheet 34 crooked and and said second low band arm 32 between form the third space 43 of half arc.The third space 43 of said compensator arm 35 and half arc has been widened the frequency range of said low frequency portion 30, and effectively reduces the required area of the utility model perpendicular to the 3rd low band arm 33 on plane, substrate place with compensator arm 35.
Wherein, the wide 2mm of said first radio-frequency head, long 11.9mm, the wide 10mm of said second radio-frequency head, long 11.5mm; The said first low frequency brachium 30mm, wide 2.5mm, the said second low frequency brachium 15.3mm, wide 2mm, said the 3rd low frequency brachium 13.7mm, wide 2.6mm, the said first relief width 2.55mm, said compensation brachium 11.8mm, wide 2.4mm.
With reference to figure 1 and Fig. 2; During the utility model work; The signal of height frequency range is 11 entering connecting portions 13 from the feed side; And get into radiant sections (first radio-frequency head 21, second radio-frequency head 22 and low frequency portion 30) along said connecting portion 13, and through first radio-frequency head 21 high-frequency band signal (GSM1710~GSM1880 frequency range) radiation is come, through second radio-frequency head 22 high-frequency band signal (GSM1850~GSM1990 frequency range) radiation is come; Resonance through first radio-frequency head 21 and second radio-frequency head 22 comes high-frequency band signal (GSM1850~GSM1990 frequency range) radiation, through low frequency portion 30 low frequency frequency band signals (GSM824-GSM960 frequency range) radiation is opened simultaneously.
The above disclosed preferred embodiments that is merely the utility model can not limit the interest field of the utility model certainly with this, so according to the equivalent variations that the utility model claim scope is done, still belong to the scope that the utility model is contained.

Claims (6)

1. multifrequency antenna; Be used to receive and launch the electromagnetic wave signal of five different frequency bands; It is characterized in that: said multifrequency antenna comprises substrate and is formed at the conductive layer on the front of said substrate; Said conductive layer comprises the feed side, is positioned at the connecting portion that the feed side is faced the earth terminal of side, extended to form forward along said feed side, and the rear end of said connecting portion extends to form first radio-frequency head of control the 3rd frequency band left, and the front end of said connecting portion bends the low frequency portion that extends to form control first frequency band and second frequency band left; The front end of said connecting portion extends to form second radio-frequency head of control the 4th frequency band to the right; Said second radio-frequency head links to each other with said earth terminal, and said second radio-frequency head is wider than said first radio-frequency head, produces resonance between said second radio-frequency head and said first radio-frequency head and controls the 5th frequency band.
2. multifrequency antenna as claimed in claim 1; It is characterized in that: the bent sheet that said low frequency portion comprises first low band arm that extends to form along the front end of said connecting portion left, extend to form along said first low band arm tip forward bending, second low band arm that extends to form to the right along said bent sheet, extend along the bending of the said second low band arm tip forward side after the 3rd low band arm that extends to form of bending downwards again; Said first low band arm and said second low band arm and the 3rd low band arm are parallel to each other; Said first low band arm and said second low band arm form first gap, form second gap with said the 3rd low band arm, and the said second high frequency arm is positioned at outside said first gap and second gap.
3. multifrequency antenna as claimed in claim 2 is characterized in that: said second low band arm is extended from the right side central of said bent sheet.
4. multifrequency antenna as claimed in claim 2 is characterized in that: the front end of said bent sheet extends to form compensator arm to the left bending after bending extension downwards again.
5. multifrequency antenna as claimed in claim 4 is characterized in that: said compensator arm left vertically bending back to said bent sheet crooked and and said second low band arm between form the third space of half arc.
6. multifrequency antenna as claimed in claim 1; It is characterized in that: the frequency range of said first frequency band is 824~894MHz; The frequency range of said second frequency band is 880~960MHz; The frequency range of said the 3rd frequency band is 1710~1880MHz, and the frequency range of said the 4th frequency band is 1850~1990MHz, and the frequency range of said the 5th frequency band is 1920~2170MHz.
CN 201120313523 2011-08-19 2011-08-19 Multi-frequency antenna Expired - Fee Related CN202217786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120313523 CN202217786U (en) 2011-08-19 2011-08-19 Multi-frequency antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120313523 CN202217786U (en) 2011-08-19 2011-08-19 Multi-frequency antenna

Publications (1)

Publication Number Publication Date
CN202217786U true CN202217786U (en) 2012-05-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120313523 Expired - Fee Related CN202217786U (en) 2011-08-19 2011-08-19 Multi-frequency antenna

Country Status (1)

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CN (1) CN202217786U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104103895A (en) * 2013-04-02 2014-10-15 奇美通讯股份有限公司 Antenna structure and wireless communication device using same
CN106684565A (en) * 2015-11-11 2017-05-17 深圳富泰宏精密工业有限公司 Antenna module and wireless communication device using antenna module
CN109687118A (en) * 2018-11-22 2019-04-26 惠州Tcl移动通信有限公司 Mobile terminal and its antenna structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104103895A (en) * 2013-04-02 2014-10-15 奇美通讯股份有限公司 Antenna structure and wireless communication device using same
CN106684565A (en) * 2015-11-11 2017-05-17 深圳富泰宏精密工业有限公司 Antenna module and wireless communication device using antenna module
CN109687118A (en) * 2018-11-22 2019-04-26 惠州Tcl移动通信有限公司 Mobile terminal and its antenna structure
CN109687118B (en) * 2018-11-22 2021-01-26 惠州Tcl移动通信有限公司 Mobile terminal and antenna structure thereof

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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: 20120509

Termination date: 20140819

EXPY Termination of patent right or utility model