CN105591196A - Multi-sided PCB antenna - Google Patents
Multi-sided PCB antenna Download PDFInfo
- Publication number
- CN105591196A CN105591196A CN201510914040.1A CN201510914040A CN105591196A CN 105591196 A CN105591196 A CN 105591196A CN 201510914040 A CN201510914040 A CN 201510914040A CN 105591196 A CN105591196 A CN 105591196A
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- CN
- China
- Prior art keywords
- pcb
- pcb antenna
- antenna
- radiating surface
- multiaspect
- 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.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- Details Of Aerials (AREA)
Abstract
The invention discloses a multi-sided PCB antenna, which comprises a PCB substrate. The front surface and the back surface of the PCB substrate are symmetrically provided with a first PCB antenna and a second PCB antenna. The PCB substrate is also provided with a plurality of first conductive vias in communication with the first PCB antenna and the second PCB antenna. According to the technical scheme of the invention, on the premise that the size of the PCB antenna and the cost of the antenna are not increased at all, the bandwidth of the antenna, the direction of the antenna and the efficiency of the antenna are improved.
Description
Technical field
The present invention relates to antenna technical field, relate in particular to a kind of multiaspect PCB antenna.
Background technology
Along with the more and more generally application of wireless product, IC occurs in a large number accordingly, and simultaneously also more and more less to the volume requirement of electronic product, the design size of PCB is subject to corresponding restriction. In wireless product, the antenna application device that is absolutely necessary for reducing costs, reduce PCB volume, ensures the performance of transmission of wireless signals simultaneously, and excellent PCB Antenna Design highlights its critical role further. Be applied at present the PCB antenna in product design, taking one side PCB antenna or end via hole one-way transmission Antenna Design as main, the deficiency place of its existence has: bandwidth relative narrower, and directionality is two-sided to be existed inconsistently, and PCB antenna efficiency is lower.
Summary of the invention
The object of the invention is to overcome existing PCB beamwidth of antenna relative narrower, directionality is bad, and the technical problem that efficiency is lower provides a kind of multiaspect PCB antenna, its broader bandwidth, and good directionality, efficiency is higher.
In order to address the above problem, the present invention is achieved by the following technical solutions:
A kind of multiaspect PCB antenna of the present invention, comprise PCB substrate, the front and back of described PCB substrate is arranged with a PCB antenna and the 2nd PCB antenna, is also provided with the first conductive via that several are communicated with a PCB antenna and the 2nd PCB antenna on described PCB substrate.
In the technical program, the one PCB antenna and the 2nd PCB antenna symmetry are arranged on the front and back of PCB substrate, several first conductive vias are by a PCB antenna and the electrical connection of the 2nd PCB antenna, form a complete two-sided PCB antenna, broader bandwidth, efficiency is higher, and a PCB antenna makes the two sides directionality of two-sided PCB antenna consistent with the 2nd PCB antenna full symmetric.
As preferably, described the first conductive via equidistantly distributes along the trend of a PCB antenna.
As preferably, the spacing of described the first conductive via is 0.5mm-1.5mm.
As preferably, a described PCB antenna is identical with the 2nd PCB antenna structure, all comprise first longitudinal radiating surface, the second longitudinal radiating surface and bending radiating surface, described first longitudinal radiating surface top is all connected with bending radiating surface one end with second longitudinal radiating surface top. Take PCB substrate space little, return loss is little.
As preferably, described first longitudinal radiating surface and second longitudinal radiating surface are parallel to each other.
As preferably, the rectangular waveform shape of described bending radiating surface.
As preferably, described PCB substrate front side is also provided with feedback point, and described feedback point is connected with second longitudinal radiating surface bottom of a PCB antenna. Wireless signal can be transferred to by feedback point the various piece of multiaspect PCB antenna, completes the emission process of wireless signal; Or arrive extraneous wireless signal by antenna-coupled, to presenting a little, complete the receiving course of wireless signal through PCB antenna transmission.
As preferably, described PCB substrate front side is provided with the first ground plane, and described PCB substrate back is provided with the second ground plane, and the earth terminal of a described PCB antenna is electrically connected with the first ground plane, and the earth terminal of described the 2nd PCB antenna is electrically connected with the second ground plane.
As preferably, on described PCB substrate, be also provided with the second conductive via that several are communicated with the first ground plane and the second ground plane.
Substantial effect of the present invention is: do not increasing PCB antenna size, do not increasing on the basis of PCB antenna cost, promoting bandwidth, direction and the efficiency of PCB antenna, greatly improving the performance of PCB antenna.
Brief description of the drawings
Fig. 1 is the structural representation of multiaspect PCB antenna face;
Fig. 2 is the structural representation at the multiaspect PCB antenna back side.
In figure: 1, PCB substrate, 2, a PCB antenna, 3, the 2nd PCB antenna, 4, the first conductive via, 5, first longitudinal radiating surface, 6, second longitudinal radiating surface, 7, bending radiating surface, 8, the first ground plane, 9, the second ground plane, 10, the second conductive via, 11, feedback point.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: a kind of multiaspect PCB antenna of the present embodiment, as Fig. 1, shown in Fig. 2, comprise PCB substrate 1, the front and back of PCB substrate 1 is arranged with a PCB antenna 2 and the 2nd PCB antenna 3, on PCB substrate 1, be also provided with the first conductive via 4 that several are communicated with a PCB antenna 2 and the 2nd PCB antenna 3, the one PCB antenna 2 is identical with the 2nd PCB antenna 3 structures, all comprise first longitudinal radiating surface 5, the second longitudinal radiating surface 6 and bending radiating surface 7, first longitudinal radiating surface 5 and second longitudinal radiating surface 6 are parallel to each other, the rectangular waveform shape of bending radiating surface 7, first longitudinal radiating surface 5 tops are all connected with bending radiating surface 7 one end with second longitudinal radiating surface 6 tops, PCB substrate 1 front is provided with the first ground plane 8, PCB substrate 1 back side is provided with the second ground plane 9, on PCB substrate 1, be also provided with the second conductive via 10 that several are communicated with the first ground plane 8 and the second ground plane 9, first longitudinal radiating surface 5 of the one PCB antenna 2 is connected with the first ground plane 8, first longitudinal radiating surface 5 of the 2nd PCB antenna 3 is connected with the second ground plane 9, PCB substrate 1 front is also provided with feedback point 11, feedback point 11 is connected with second longitudinal radiating surface 6 bottoms of a PCB antenna 2.
The first conductive via 4 equidistantly distributes along the trend of a PCB antenna 2, is 1mm along the spacing of moving towards adjacent the first conductive via 4 of a PCB antenna 2. 1/4 wavelength that the length of the one PCB antenna 2 and the 2nd PCB antenna 3 is corresponding operating frequency, the width of a PCB antenna 2 and the 2nd PCB antenna 3 is 0.4mm.
Wireless signal can be transferred to by feedback point the various piece of multiaspect PCB antenna, completes the emission process of wireless signal; Or arrive extraneous wireless signal by antenna-coupled, to presenting a little, complete the receiving course of wireless signal through PCB antenna transmission.
The one PCB antenna is identical with the 2nd PCB antenna structure shape, be symmetricly set on the front and back of PCB substrate, several first conductive vias are by a PCB antenna and the electrical connection of the 2nd PCB antenna, form a complete two-sided PCB antenna, broader bandwidth, efficiency is higher, and a PCB antenna makes the two sides directionality of two-sided PCB antenna consistent with the 2nd PCB antenna full symmetric.
Claims (9)
1. a multiaspect PCB antenna, it is characterized in that: comprise PCB substrate (1), the front and back of described PCB substrate (1) is arranged with a PCB antenna (2) and the 2nd PCB antenna (3), is also provided with the first conductive via (4) that several are communicated with a PCB antenna (2) and the 2nd PCB antenna (3) on described PCB substrate (1).
2. a kind of multiaspect PCB antenna according to claim 1, is characterized in that: described the first conductive via (4) equidistantly distributes along the trend of a PCB antenna (2).
3. a kind of multiaspect PCB antenna according to claim 1, is characterized in that: the spacing of described the first conductive via (4) is 0.5mm-1.5mm.
4. according to a kind of multiaspect PCB antenna described in claim 1 or 2 or 3, it is characterized in that: a described PCB antenna (2) is identical with the 2nd PCB antenna (3) structure, all comprise first longitudinal radiating surface (5), second longitudinal radiating surface (6) and bending radiating surface (7), described first longitudinal radiating surface (5) top is all connected with bending radiating surface (7) one end with second longitudinal radiating surface (6) top.
5. a kind of multiaspect PCB antenna according to claim 4, is characterized in that: described first longitudinal radiating surface (5) and second longitudinal radiating surface (6) are parallel to each other.
6. a kind of multiaspect PCB antenna according to claim 4, is characterized in that: the rectangular waveform shape of described bending radiating surface (7).
7. a kind of multiaspect PCB antenna according to claim 4, is characterized in that: described PCB substrate (1) front is also provided with feedback point (11), and described feedback point (11) is connected with second longitudinal radiating surface (6) bottom of a PCB antenna (2).
8. according to a kind of multiaspect PCB antenna described in claim 1 or 2 or 3, it is characterized in that: described PCB substrate (1) front is provided with the first ground plane (8), described PCB substrate (1) back side is provided with the second ground plane (9), the earth terminal of a described PCB antenna (2) is electrically connected with the first ground plane (8), and the earth terminal of described the 2nd PCB antenna (3) is electrically connected with the second ground plane (9).
9. according to a kind of multiaspect PCB antenna described in claim 1 or 2 or 3, it is characterized in that: on described PCB substrate (1), be also provided with the second conductive via (10) that several are communicated with the first ground plane (8) and the second ground plane (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510914040.1A CN105591196A (en) | 2015-12-12 | 2015-12-12 | Multi-sided PCB antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510914040.1A CN105591196A (en) | 2015-12-12 | 2015-12-12 | Multi-sided PCB antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105591196A true CN105591196A (en) | 2016-05-18 |
Family
ID=55930563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510914040.1A Pending CN105591196A (en) | 2015-12-12 | 2015-12-12 | Multi-sided PCB antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105591196A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565539A (en) * | 2018-05-30 | 2018-09-21 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned vehicle |
| CN108574144A (en) * | 2018-05-30 | 2018-09-25 | 深圳市道通智能航空技术有限公司 | The remote controler and unmanned vehicle of antenna, unmanned vehicle |
| CN108767436A (en) * | 2018-08-20 | 2018-11-06 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned vehicle |
| CN112448158A (en) * | 2020-11-18 | 2021-03-05 | 江西台德智慧科技有限公司 | Enhanced PCB antenna, module and terminal applied to artificial intelligent terminal Internet of things |
| EP3827478B1 (en) * | 2018-07-24 | 2023-09-27 | BSH Hausgeräte GmbH | Circuit board antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040104851A1 (en) * | 2002-11-08 | 2004-06-03 | Centurion Wireless Technologies, Inc. | Optimum Utilization of Slot Gap in PIFA Design |
| CN101071901A (en) * | 2006-05-10 | 2007-11-14 | 富士康(昆山)电脑接插件有限公司 | Multi frequency antenna |
| CN101789542A (en) * | 2010-02-09 | 2010-07-28 | 深圳市华士精成科技有限公司 | 2.4G radio frequency identification card reader printed circuit board |
| CN204808028U (en) * | 2015-06-01 | 2015-11-25 | 深圳市贝多福科技有限公司 | Intelligence house terminal with board carries antenna |
-
2015
- 2015-12-12 CN CN201510914040.1A patent/CN105591196A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040104851A1 (en) * | 2002-11-08 | 2004-06-03 | Centurion Wireless Technologies, Inc. | Optimum Utilization of Slot Gap in PIFA Design |
| CN101071901A (en) * | 2006-05-10 | 2007-11-14 | 富士康(昆山)电脑接插件有限公司 | Multi frequency antenna |
| CN101789542A (en) * | 2010-02-09 | 2010-07-28 | 深圳市华士精成科技有限公司 | 2.4G radio frequency identification card reader printed circuit board |
| CN204808028U (en) * | 2015-06-01 | 2015-11-25 | 深圳市贝多福科技有限公司 | Intelligence house terminal with board carries antenna |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565539A (en) * | 2018-05-30 | 2018-09-21 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned vehicle |
| CN108574144A (en) * | 2018-05-30 | 2018-09-25 | 深圳市道通智能航空技术有限公司 | The remote controler and unmanned vehicle of antenna, unmanned vehicle |
| WO2019228339A1 (en) * | 2018-05-30 | 2019-12-05 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned aerial vehicle |
| CN108565539B (en) * | 2018-05-30 | 2024-03-05 | 深圳市道通智能航空技术股份有限公司 | Antenna and unmanned aerial vehicle |
| EP3827478B1 (en) * | 2018-07-24 | 2023-09-27 | BSH Hausgeräte GmbH | Circuit board antenna |
| CN108767436A (en) * | 2018-08-20 | 2018-11-06 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned vehicle |
| CN108767436B (en) * | 2018-08-20 | 2024-02-27 | 深圳市道通智能航空技术股份有限公司 | Antenna and unmanned aerial vehicle |
| CN112448158A (en) * | 2020-11-18 | 2021-03-05 | 江西台德智慧科技有限公司 | Enhanced PCB antenna, module and terminal applied to artificial intelligent terminal Internet of things |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160518 |