CN104393401A - High gain printed antenna - Google Patents
High gain printed antenna Download PDFInfo
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- CN104393401A CN104393401A CN201410704563.9A CN201410704563A CN104393401A CN 104393401 A CN104393401 A CN 104393401A CN 201410704563 A CN201410704563 A CN 201410704563A CN 104393401 A CN104393401 A CN 104393401A
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- radiating element
- printed antenna
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Abstract
The invention discloses a high gain printed antenna, and the printed antenna has three-layer structure and is characterized in that the first layer is the substrate, the second layer comprises a first radiating element, two second radiating elements, the third radiating element, the fourth radiating element, the first metal circuit and the second metal circuit, the third layer is the insulating layer, the third radiating element and the fourth radiating element are symmetrically formed at two sides of the plate surface of the substrate and the ends of each element are respectively connected with a first loading unit and a second loading unit, the first radiating element is formed at the middle of the plate surface of the substrate and respectively connected to the third radiating element and the fourth radiating element through the first metal circuit and the second metal circuit and the connection parts with the first metal circuit and the second metal circuit are symmetrically provided with a first signal feeding part and a second signal feeding part, two second radiating elements are respectively and symmetrically connected to two sides of the first radiating element and connected to the same side of the third radiating element and the fourth radiating element.
Description
Technical field
The present invention relates to printed antenna technical field, particularly relate to a kind of high-gain printed antenna.
Background technology
Along with the development of radio communication science and technology, user can not limit by landform, wireless telecommunications are utilized to carry out information transmission, and antenna is as one of critical elements in wireless communication field, no matter traditional antenna is dipole antenna or helical antenna, Yagi antenna etc. all occupy sizable volume, present trend and trend are not met, so Principle of Antenna is calmed down in industry application in recent years design small volume, thinner printing type aerial, this antenna volume is little and with low cost, and can be applicable to each different field.
Along with the raising of electronic equipment integrated level, the requirement of communication equipment to antenna is also more and more higher.Gain in the past because of printing-type all channel antenna is not high, causes the signal strength signal intensity of reception low.Therefore, how a kind of broadband be provided and reach the antenna of high-gain, becoming one of problem that the personnel that require study solve.
Summary of the invention
The object of the invention is to for above problem, provide a kind of radiating element by three close resonance frequencys to combine design, there is the characteristic high-gain rectangle printed antenna of high-gain.
In order to realize above object, the technical solution used in the present invention is: a kind of high-gain printed antenna, this printed antenna has three-decker, wherein ground floor is substrate, the second layer comprises the first radiating element, two the second radiating elements, 3rd radiating element, 4th radiating element, first metallic circuit road and the second metallic circuit, third layer is insulating barrier, described 3rd radiating element and the 4th radiating element are symmetricly set in substrate surface both sides respectively and end is connected to the first loading unit and the second loading unit both this, described first radiating element is arranged at and is connected respectively by the first metallic circuit road and the second metallic circuit with the 3rd radiating element and the 4th radiating element in the middle part of substrate surface and is symmetrically arranged with the first signal feed-in part and secondary signal feeding portion respectively in the junction with the first metallic circuit road and the second metallic circuit, described two the second radiating elements respectively symmetry be connected to the first radiating element both sides and respectively with the 3rd radiating element and the 4th radiating element homonymy.
Further, the material of described first signal feed-in part, secondary signal feeding portion, the first radiating element, the second radiating element, the 3rd radiating element, the 4th radiating element, the first metallic circuit road, the second metallic circuit, the first loading unit, the second loading unit be in copper, iron, aluminium, silver wherein one or more.
Further, described first radiating element is regular shape or irregular rectangle, square, ellipsoidal structure.
Further, described second radiating element is regular shape or irregular rectangle, square, ellipsoidal structure.
Further, described 3rd radiating element and the 4th radiating element are regular shape or irregular string configuration.
The invention has the beneficial effects as follows: the first radiating element and the first metallic circuit road and the second metallic circuit jointly form the radiation of rectangle folded dipole or receive the first frequency band signals; Second radiating element and the first radiating element jointly form the radiation of rectangle folded dipole or receive the second frequency band signals; 3rd radiating element and the 4th radiating element are used for radiation and receive the 3rd frequency band signals; Combine design by the radiating element of three close resonance frequencys, make whole printed antenna have the characteristic of high-gain, and adjust radiation characteristic and the impedance of the 3rd radiating element and the 4th radiating element by the first loading unit and the second loading unit.
Accompanying drawing explanation
Fig. 1 is the vertical view of embodiment one.
Fig. 2 is the three-dimensional view of embodiment one.
Fig. 3 is the cutaway view of embodiment one.
Fig. 4 is the return loss value of embodiment one under 170MHz to 900MHz and the graph of a relation of frequency.
Fig. 5 is the standing wave ratio of embodiment one under 170MHz to 900MHz and the graph of a relation of frequency.
Fig. 6 is the two-dimensional radiation field shape figure of embodiment one under 730MHz.
Fig. 7 is the two-dimensional radiation field shape figure of embodiment one under 200MHz.
Fig. 8 is the vertical view of embodiment two.
Fig. 9 is the vertical view of embodiment three.
Wherein, 1 is the first signal feed-in part, and 2 is secondary signal feeding portion, 3 is the first radiating element, 4 is the second radiating element, and 5 is the 3rd radiating element, and 6 is the 4th radiating element, 7 is the first metallic circuit, 8 is the second metallic circuit, and 9 is the first loading unit, and 10 is the second loading unit, 11 is substrate, and 12 is insulating barrier.
Embodiment
First with specific embodiment, the technical scheme that application claims is protected is described in further detail by reference to the accompanying drawings.
As shown in Figure 1-2, the plate face of substrate 11 is provided with the 3rd radiating element 5 and the 4th radiating element 6, the mutual symmetrical elongated structure of shape of the 3rd radiating element 5 and the 4th radiating element 6, the 3rd radiating element 5 and the 4th radiating element 6 have the bending of multiple approximate right angle in the present embodiment.The end of the 3rd radiating element 5 and the 4th radiating element 6 is connected to the first symmetrical mutually loading unit 9 and the second loading unit 10.The middle part in substrate 11 plate face is provided with the first radiating element 3 of approximating square structure, first radiating element 3 is connected respectively by the first metallic circuit 7 road and the second metallic circuit 8 with the 3rd radiating element 5 and the 4th radiating element 6, form the first signal feed-in part 1 in the junction of the first radiating element 3 and the first metallic circuit 7, form secondary signal feeding portion 2 in the junction of the first radiating element 3 and the second metallic circuit 8.It is approximate rectangular structure that the both sides of the first radiating element 3 are connected to the second radiating element 4, second radiating element 4, and respectively with the 3rd radiating element 5 and the 4th radiating element 6 homonymy.
As shown in Figure 3, printed antenna has three-decker, ground floor is substrate 11 from the bottom to top, the second layer comprises the first radiating element 3, second radiating element 4, the 3rd radiating element 5, the 4th radiating element 6, first metallic circuit 7, second metallic circuit 8, first signal feed-in part 1, secondary signal feeding portion 2, first loading unit 9, second loading unit 10, the structure of the second layer is made by metal material, can choose one or more from copper, iron, aluminium, silver.Third layer is cover insulating barrier 12 on the second layer, has insulating effect and the structure of the second layer can be avoided simultaneously to be oxidized in atmosphere because of long term exposure.
The operation principle of the present embodiment printed antenna is: the first radiating element 3 and the first metallic circuit 7 road and the second metallic circuit 8 form the radiation of rectangle folded dipole jointly, radiation is by the first frequency band signals of the first signal feed-in part 1 and 2 feed-ins of secondary signal feeding portion or induction reception first frequency band signals and feed out via the first signal feed-in part 1 and secondary signal feeding portion 2, first frequency band signals is UHF waveband in the present embodiment, also can be other wave band in other embodiments.
Second radiating element 4 and the first radiating element 3 form the radiation of rectangle folded dipole jointly, radiation is by the second frequency band signals of the first signal feed-in part 1 and 2 feed-ins of secondary signal feeding portion or induction reception second frequency band signals and feed out via the first signal feed-in part 1 and secondary signal feeding portion 2, second frequency band signals is UHF waveband in the present embodiment, also can be other wave band in other embodiments.
3rd radiating element 5 can radiation by the 3rd frequency band signals of the first signal feed-in part 1 feed-in or induction reception first frequency band signals feeding out via the first signal feed-in part 1,3rd frequency band signals is UHF waveband in the present embodiment, also can be other wave band in other embodiments.
4th radiating element 6 can radiation by the 3rd frequency band signals of secondary signal feeding portion 2 feed-ins or induction reception first frequency band signals feeding out via secondary signal feeding portion 2,3rd frequency band signals is UHF waveband in the present embodiment, also can be other wave band in other embodiments.
First loading unit 9 and the second loading unit 10 can adjust radiation characteristic and the impedance of the 3rd radiating element 5 and the 4th radiating element 6 respectively.
Each radiating element institute radiation of the present embodiment is relative close with the frequency receiving frequency band signals, and gain can superpose mutually the stronger signal radiation of formation or feed out.
Carry out simulation test to the printed antenna of the present embodiment, its test result is as follows:
Be illustrated in figure 4 the return loss value of the present embodiment emulation under frequency 170MHz to 900MHz and the graph of a relation of frequency, as can be seen from Figure, when wave band 660MHz to 800MHz, the return loss of the printing type aerial of the present embodiment is all below-10dB.
Be illustrated in figure 5 the standing wave ratio of the present embodiment emulation under frequency 170MHz to 900MHz and the graph of a relation of frequency, as can be seen from Figure, when wave band 660MHz to 800MHz, the standing wave ratio of printing type aerial of the present invention is all below 2.
Be illustrated in figure 6 the horizontal plane two-dimensional radiation field pattern that the present embodiment emulation is done with frequency values 730MHz to test.Can find out that the absolute gain of printing type aerial is up to 5.3dBi.
Be illustrated in figure 7 the horizontal plane two-dimensional radiation field pattern that the present embodiment emulation is done with frequency values 200MHz to test.Can find out that the absolute gain of printing type aerial is up to 0.3dBi.
Embodiment two
As shown in Figure 8, the overall structure of the first radiating element 3 that the printed antenna of the present embodiment topmost difference compared with embodiment one is in the present embodiment is approximate rectangular structure.
Embodiment three
As shown in Figure 9, the printed antenna of the present embodiment topmost difference compared with embodiment one is that the overall structure of the first radiating element 3 in this enforcement and the second radiating element 4 radiating element is the structure of approximate ellipsoidal.
Carry out and identical emulation testing in embodiment one embodiment two and the printed antenna of embodiment three, its test result is roughly the same with embodiment one.
The embodiment of the above is only the preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore the change that all shapes according to the present invention, principle are done, all should be encompassed in protection scope of the present invention.
Claims (5)
1. a high-gain printed antenna, this printed antenna has three-decker, wherein ground floor is substrate (11), the second layer comprises the first radiating element (3), two the second radiating elements (4), the 3rd radiating element (5), the 4th radiating element (6), the first metallic circuit (7) and the second metallic circuits (8), third layer is insulating barrier (12), it is characterized in that; Described 3rd radiating element (5) and the 4th radiating element (6) are symmetricly set in substrate (11) both sides, plate face respectively and end is connected to the first loading unit (9) and the second loading unit (10) both this, described first radiating element (3) is arranged at substrate (11) plate Middle face and the 3rd radiating element (5) and the 4th radiating element (6) is connected respectively by the first metal wire (7) road and the second metallic circuit (8) and is symmetrically arranged with the first signal feed-in part (1) and secondary signal feeding portion (2) respectively in the junction with the first metallic circuit (7) and the second metallic circuit (8), described two the second radiating elements (4) respectively symmetry be connected to the first radiating element (3) both sides and respectively with the 3rd radiating element (5) and the 4th radiating element (6) homonymy.
2. the high-gain printed antenna of one according to claim 1, is characterized in that; The material of described first signal feed-in part (1), secondary signal feeding portion (2), the first radiating element (3), the second radiating element (4), the 3rd radiating element (5), the 4th radiating element (6), the first metallic circuit (7), the second metallic circuit (8), the first loading unit (9), the second loading unit (10) be in copper, iron, aluminium, silver wherein one or more.
3. the high-gain printed antenna of one according to claim 1, is characterized in that; Described first radiating element (3) is regular shape or irregular rectangle, square, ellipsoidal structure.
4. the high-gain printed antenna of one according to claim 1, is characterized in that; Described second radiating element (4) is regular shape or irregular rectangle, square, ellipsoidal structure.
5. the high-gain printed antenna of one according to claim 1, is characterized in that; Described 3rd radiating element (5) and the 4th radiating element (6) are regular shape or irregular string configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704563.9A CN104393401B (en) | 2014-11-26 | 2014-11-26 | A kind of high-gain printed antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704563.9A CN104393401B (en) | 2014-11-26 | 2014-11-26 | A kind of high-gain printed antenna |
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| Publication Number | Publication Date |
|---|---|
| CN104393401A true CN104393401A (en) | 2015-03-04 |
| CN104393401B CN104393401B (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410704563.9A Active CN104393401B (en) | 2014-11-26 | 2014-11-26 | A kind of high-gain printed antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI628857B (en) * | 2016-10-06 | 2018-07-01 | 和碩聯合科技股份有限公司 | Antenna system |
| WO2023202425A1 (en) * | 2022-04-18 | 2023-10-26 | 华为技术有限公司 | Antenna and electronic device |
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| CN101025797A (en) * | 2006-02-24 | 2007-08-29 | 富士通株式会社 | RFID tag |
| EP2133827A1 (en) * | 2007-04-06 | 2009-12-16 | Murata Manufacturing Co. Ltd. | Radio ic device |
| CN201518348U (en) * | 2009-06-12 | 2010-06-30 | 航天信息股份有限公司 | RFID superfrequency label antenna and circuit using the antenna |
| US20100164726A1 (en) * | 2008-12-26 | 2010-07-01 | Fujifilm Corporation | Communication antenna, rfid tag, non-contact communication device, and non-contact communication method |
| JP2011188039A (en) * | 2010-03-04 | 2011-09-22 | Brother Industries Ltd | Antenna and radio tag |
| CN103514468A (en) * | 2012-06-24 | 2014-01-15 | 上海祯显电子科技有限公司 | Ultra-high-frequency intelligent clothing tag |
| CN204205052U (en) * | 2014-11-26 | 2015-03-11 | 佛山中元创新实业有限公司 | A kind of high-gain printed antenna |
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2014
- 2014-11-26 CN CN201410704563.9A patent/CN104393401B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101025797A (en) * | 2006-02-24 | 2007-08-29 | 富士通株式会社 | RFID tag |
| EP2133827A1 (en) * | 2007-04-06 | 2009-12-16 | Murata Manufacturing Co. Ltd. | Radio ic device |
| US20100164726A1 (en) * | 2008-12-26 | 2010-07-01 | Fujifilm Corporation | Communication antenna, rfid tag, non-contact communication device, and non-contact communication method |
| CN201518348U (en) * | 2009-06-12 | 2010-06-30 | 航天信息股份有限公司 | RFID superfrequency label antenna and circuit using the antenna |
| JP2011188039A (en) * | 2010-03-04 | 2011-09-22 | Brother Industries Ltd | Antenna and radio tag |
| CN103514468A (en) * | 2012-06-24 | 2014-01-15 | 上海祯显电子科技有限公司 | Ultra-high-frequency intelligent clothing tag |
| CN204205052U (en) * | 2014-11-26 | 2015-03-11 | 佛山中元创新实业有限公司 | A kind of high-gain printed antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI628857B (en) * | 2016-10-06 | 2018-07-01 | 和碩聯合科技股份有限公司 | Antenna system |
| WO2023202425A1 (en) * | 2022-04-18 | 2023-10-26 | 华为技术有限公司 | Antenna and electronic device |
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| Publication number | Publication date |
|---|---|
| CN104393401B (en) | 2017-06-06 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170425 Address after: 528203, Jiujiang, Guangdong science and Technology Park, Jiujiang Town, Nanhai District, B, No. 3 Applicant after: GUANGDONG ZHONGYUAN CREATIVE TECHNOLOGY Co.,Ltd. Address before: 528203 Jiujiang science and Technology Park, Jiujiang Town, Nanhai District, Guangdong, China, No. 3, No. Applicant before: FOSHAN ZHONGYUAN CREATIVE INDUSTRIAL Co.,Ltd. |
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| GR01 | Patent grant | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A High Gain Printed Antenna Effective date of registration: 20230612 Granted publication date: 20170606 Pledgee: Agricultural Bank of China Limited Nanhai Jiujiang sub branch Pledgor: GUANGDONG ZHONGYUAN CREATIVE TECHNOLOGY Co.,Ltd. Registration number: Y2023980043635 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |