CN202189891U - Four-band printed antenna - Google Patents
Four-band printed antenna Download PDFInfo
- Publication number
- CN202189891U CN202189891U CN2011203135089U CN201120313508U CN202189891U CN 202189891 U CN202189891 U CN 202189891U CN 2011203135089 U CN2011203135089 U CN 2011203135089U CN 201120313508 U CN201120313508 U CN 201120313508U CN 202189891 U CN202189891 U CN 202189891U
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- China
- Prior art keywords
- frequency
- frequency band
- radio
- high frequency
- radiation arm
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Abstract
The utility model discloses a four-band printed antenna, which is used for receiving and transmitting four different bands of electromagnetic signal and comprises a substrate and a conductive layer formed on the front surface of the substrate. The conductive layer comprises a feed end, a ground end, a first high frequency portion, a second high frequency portion and a low frequency portion, wherein the ground end is arranged on the side adjacent to the feed end, the first high frequency portion extends left rearwardly along the feed end, the second high frequency portion extends right along the feed end, the low frequency portion is bent and positioned at the right rear of the second high frequency portion, and an L-shaped first gap is formed between the low frequency portion and the second high frequency portion. The L-shaped first gap between the low frequency portion and the high frequency portion effectively widens high-frequency band of the four-band printed antenna, so that the four-band printed antenna can meet requirements of a plurality of formats of communication standards.
Description
Technical field
The utility model relates to communication equipment field, relates in particular to the four frequency printed antennas 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 that the deficiency to above-mentioned prior art provides a kind of volume little and can satisfy the four frequency band printed antennas that various communication standards require.
For realizing above-mentioned purpose; The utility model provides a kind of four frequency band printed antennas; Be used to receive and launch the electromagnetic wave signal of four different frequency bands; Said four frequency band printed antennas comprise substrate and are formed at the conductive layer on the front of said substrate; Said conductive layer comprises the feed side, be positioned at said feed side face the earth terminal of side, along said feed side left rear extension and control first radio-frequency head of first frequency band, rear extension and low frequency portion from said feed side to the bending of the said second radio-frequency head right back that control second radio-frequency head of second frequency band and extend and control the 3rd frequency band and the 4th frequency band along to the right along said feed side; Form first gap between said low frequency portion and said second radio-frequency head, said first gap is L-shaped.
As stated, have the first L shaped gap between low frequency portion of the utility model and the radio-frequency head, the frequency band of four frequency band printed antenna medium-high frequencies has effectively been widened in said first gap, makes this four frequency bands printed 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 said four frequency band printed antennas of the utility model.
Fig. 2 is the vertical view of conductive layer described in Fig. 1.
Each description of reference numerals is following among the figure:
Earth terminal 12 first radio-frequency heads 20
The first high frequency radiation arm, 21 second high frequency radiation arms 22
The 3rd high frequency radiation arm 23 second gaps 24
Second radio-frequency head, 31 low frequency portions 32
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 four frequency band printed antennas; Be used to receive and launch the electromagnetic wave signal of four different frequency bands; It comprises substrate (figure do not show) and is formed at the conductive layer 1 on the front of said substrate, the said conductive layer 1 outer coverlay (figure does not show) that is coated with one deck black, and the back of said substrate is posted the back of the body and is moulded (figure does not show).
Continuation is with reference to figure 1 and Fig. 2; Said conductive layer 1 comprises feed side 11, is arranged in earth terminal 12 and Department of Radiation (figure does not indicate) that side is faced in said feed side 11; First radio-frequency head 20 that said Department of Radiation comprises along said feed side 11 that rear extension left forms, along said feed side 11 rear extension second radio-frequency head 31 and the low frequency portion 32 that form to the right; 32 bendings of said low frequency portion be distributed in said second radio-frequency head 31 the right back and and said second radio-frequency head 31 between form first gap 34; Said first gap 34 is L-shaped; Said first radio-frequency head 20 control, first frequency band, said second radio-frequency head, 31 controls, second frequency band, said low frequency portion 32 control the 3rd frequency band and the 4th frequency bands.Wherein, said Department of Radiation 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 1850～1990MHz, and the frequency range of said second frequency band is 1710～1880MHz, and the frequency range of said the 3rd frequency band is 824～894MHz, and the frequency range of said the 4th frequency band is 880～960MHz.
Particularly, continue with reference to figure 1 and Fig. 2, said second radio-frequency head 31 is the rectangle of tubbiness shape, and the width of first radio-frequency head 20 is greater than the width of said low frequency portion 32, and the width of said second radio-frequency head 31 is greater than the width of said first radio-frequency head 20.Second radio-frequency head 31 of tubbiness shape has effectively been widened the frequency band of four frequency band printed antennas, 100 medium-high frequencies.
The preferably continues with reference to figure 1 and Fig. 2, and the end of said low frequency portion 32 extends to form the compensator arm 33 relative with second radio-frequency head 31 to said second radio-frequency head, 31 directions.Compensator arm 33 has effectively been widened the frequency band of four frequency band printed antennas, 100 medium-high frequencies.
Particularly, with reference to figure 1 and Fig. 2, said compensator arm 33 width are two times of said low frequency portion 32 width.In the present embodiment, the width of said low frequency portion 32 is 1.5mm, and the width of said compensator arm is 3mm, and error range is ± 0.1mm.
The preferably; With reference to figure 1 and Fig. 2; Said first radio-frequency head 20 comprises and extends back the first high frequency radiation arm 21 that forms along said feed side 11 and bend the second high frequency radiation arm 22 that extends to form left along the said first high frequency radiation arm 21; Particularly, the said second high frequency radiation arm 22 bends downward vertically and extends that bending is left extended and crooked curved again, makes second gap 24 of formation half arc between the said second high frequency radiation arm 22 and the said first high frequency radiation arm 21.The frequency band of four frequency band printed antenna medium-high frequencies has effectively been widened in second gap 24 of half arc.
Particularly; Continuation is with reference to figure 1 and Fig. 2; The end of the said second high frequency radiation arm 22 bends to the right and extends to form the 3rd high frequency radiation arm 23; After said second high frequency radiation arm 22 bending downwards, said the 3rd high frequency radiation arm 23 parts are vertically bending to the right, and said the 3rd high frequency radiation arm 23 has effectively been widened the frequency band of four frequency band printed antenna medium-high frequencies.Wherein, the width of said the 3rd high frequency radiation arm 23 is greater than the second high frequency radiation arm 22.
With reference to figure 1 and Fig. 2; During work; The signal of the height frequency range Department of Radiation that 11 entering are electrically connected with feed side 11 from the feed side; Through first radio-frequency head 20 and second radio-frequency head 31 high-frequency band signal (GSM1710-GSM1990 frequency range) radiation is opened, through low frequency portion 32 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 (10)
1. frequency band printed antenna; Be used to receive and launch the electromagnetic wave signal of four different frequency bands; It is characterized in that: said four frequency band printed antennas comprise substrate and are formed at the conductive layer on the front of said substrate; Said conductive layer comprises the feed side, be positioned at that the earth terminal of side is faced in said feed side, rear extension and low frequency portion from said feed side to the bending of said radio-frequency head right back that control first radio-frequency head of first frequency band, extend along said feed side and control second radio-frequency head of second frequency band to the right and extend and control the 3rd frequency band and the 4th frequency band along left along said feed side; Form first gap between said low frequency portion and said second radio-frequency head, said first gap is L-shaped.
2. four frequency band printed antennas as claimed in claim 1 is characterized in that: the end of said low frequency portion extends to form the compensator arm relative with second radio-frequency head to the said second radio-frequency head direction.
3. four frequency band printed antennas as claimed in claim 2 is characterized in that: said compensator arm width is two times of said low frequency portion width.
4. four frequency band printed antennas as claimed in claim 1; It is characterized in that: said first radio-frequency head comprises and extends back the first high frequency radiation arm that forms along said feed side and bend the second high frequency radiation arm that extends to form left along the said first high frequency radiation arm; The said second high frequency radiation arm bends downward vertically and is crooked curved, makes second gap of formation half arc between the said second high frequency radiation arm and the said first high frequency radiation arm.
5. four frequency band printed antennas as claimed in claim 4; It is characterized in that: the end of the said second high frequency radiation arm bends to the right and extends to form the 3rd high frequency radiation arm; After the bending downwards of the said second high frequency radiation arm, said the 3rd high frequency radiation arm is vertically bending to the right.
6. four frequency band printed antennas as claimed in claim 5 is characterized in that: the width of said the 3rd high frequency radiation arm is greater than the second high frequency radiation arm.
7. four frequency band printed antennas as claimed in claim 1 is characterized in that: said second radio-frequency head is rectangular, and the width of first radio-frequency head is greater than the width of said low frequency portion, and the width of said second radio-frequency head is greater than the width of said first radio-frequency head.
8. four frequency band printed antennas as claimed in claim 1, it is characterized in that: the radiant section of said conductive layer is copper plate, and said grounding parts and said feed side are Gold plated Layer.
9. four frequency band printed antennas as claimed in claim 1 is characterized in that: said conductive layer the outer coverlay that is coated with one deck black.
10. four frequency band printed antennas as claimed in claim 1; It is characterized in that: the frequency range of said first frequency band is 1850～1990MHz; The frequency range of said second frequency band is 1710～1880MHz; The frequency range of said the 3rd frequency band is 824～894MHz, and the frequency range of said the 4th frequency band is 880～960MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203135089U CN202189891U (en) | 2011-08-19 | 2011-08-19 | Four-band printed antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203135089U CN202189891U (en) | 2011-08-19 | 2011-08-19 | Four-band printed antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202189891U true CN202189891U (en) | 2012-04-11 |
Family
ID=45921326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203135089U Expired - Fee Related CN202189891U (en) | 2011-08-19 | 2011-08-19 | Four-band printed antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202189891U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026313A (en) * | 2016-01-29 | 2017-08-08 | 环旭电子股份有限公司 | Antenna for wireless communication module |
| CN109244657A (en) * | 2018-10-31 | 2019-01-18 | 深圳创维数字技术有限公司 | Printed antenna structure, pcb board and electronic equipment |
-
2011
- 2011-08-19 CN CN2011203135089U patent/CN202189891U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026313A (en) * | 2016-01-29 | 2017-08-08 | 环旭电子股份有限公司 | Antenna for wireless communication module |
| CN107026313B (en) * | 2016-01-29 | 2020-05-19 | 环旭电子股份有限公司 | Antenna for wireless communication module |
| CN109244657A (en) * | 2018-10-31 | 2019-01-18 | 深圳创维数字技术有限公司 | Printed antenna structure, pcb board and electronic equipment |
| CN109244657B (en) * | 2018-10-31 | 2023-12-15 | 深圳创维数字技术有限公司 | Printed antenna structure, PCB and electronic equipment |
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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: 20120411 Termination date: 20150819 |
|
| EXPY | Termination of patent right or utility model |