CN105305039B - The ZigBee antenna of multilayered structure - Google Patents
The ZigBee antenna of multilayered structure Download PDFInfo
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- CN105305039B CN105305039B CN201510618046.4A CN201510618046A CN105305039B CN 105305039 B CN105305039 B CN 105305039B CN 201510618046 A CN201510618046 A CN 201510618046A CN 105305039 B CN105305039 B CN 105305039B
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Abstract
A kind of ZigBee antenna of multilayered structure of the present invention, wherein, it include: a dielectric-slab, the dielectric-slab includes: the first laminate, the second laminate, third laminate, the 4th laminate, one antenna element is arranged in first laminate, the second laminate top, the lower part of first laminate is arranged in one feed element, and the lower part of first laminate, second laminate, the third laminate, the 4th laminate is arranged in a ground unit；The lower part of first laminate is arranged in one ground plane, and a microstrip feed line passes through the ground plane, first laminate, and one end of the microstrip feed line is connect with the feed element, and the other end of the microstrip feed line is connect with the antenna element.The present invention solves the problems, such as that ZigBee antenna can not support multiple frequency ranges simultaneously in the prior art, the present invention is successfully integrated into ZigBee technology in one antenna in tri- kinds of working frequency range of 2.4GHz, 915MHz and 868MHz that country variant and area use, its is small in size at low cost, is suitable for various forms of ZigBee products.
Description
Technical field
The present invention relates to a kind of antenna more particularly to a kind of ZigBee antennas of multilayered structure.
Background technique
ZigBee technology be a kind of short distance, complexity, low-power consumption, low rate, the wireless communication technique of low cost.
ZigBee supports multiple network topological structure, and network size can be more much bigger than bluetooth equipment, and has lower power consumption, with
Internet of Things application flourish, ZigBee technology is just received more and more widely.
The work of ZigBee equipment in common frequency band, different countries and regions its there are three working frequency range: 2.4GHz,
915MHz and 868MHz.This is just design while the antenna of three above frequency range being supported to propose new challenge.
Summary of the invention
The invention discloses a kind of ZigBee antennas of multilayered structure, and to solve in the prior art, ZigBee antenna can not
The problem of supporting multiple frequency ranges simultaneously.
Above-mentioned purpose of the invention is achieved through the following technical solutions:
A kind of ZigBee antenna of multilayered structure, wherein include: a dielectric-slab, the dielectric-slab include: the first laminate,
Second laminate, third laminate, the 4th laminate, in first laminate, the second laminate top, a feed is single for antenna element setting
The lower part of first laminate is arranged in member, and a ground unit is arranged in first laminate, second laminate, the third
The lower part of laminate, the 4th laminate；The lower part of first laminate is arranged in one ground plane, and a microstrip feed line passes through described connect
Stratum, first laminate, one end of the microstrip feed line are connect with the feed element, the other end of the microstrip feed line
It is connect with the antenna element.
The ZigBee antenna of multilayered structure as described above, wherein first laminate, second laminate, described the
Three ply board, the 4th laminate are arranged from top to bottom.
The ZigBee antenna of multilayered structure as described above, wherein the antenna element includes: the first resonant element, the
Two resonant elements, third resonant element, first resonant element are mounted on first laminate, second resonant element,
The third resonant element is mounted on second laminate.
The ZigBee antenna of multilayered structure as described above, wherein a via hole pass through first laminate, the second laminate,
Third laminate, the 4th laminate.
The ZigBee antenna of multilayered structure as described above, wherein first resonant element, the second resonance list
First, the described third resonant element, the microstrip feed line are connected by via hole.
The ZigBee antenna of multilayered structure as described above, wherein first resonant element is an irregular figure piece,
First resonant element includes: that one end of a straight line portion is connect with the microstrip line, and the other end of the straight line portion passes through institute
It states via hole to connect with second resonant element, one end that the straight line portion is connect with second resonant element and a L-type portion
One end connection, tell that the other end in rear L-type portion is connect with one end of a snakelike bending part, the other end of the snakelike bending part
It is connected with a trapezoidal portion.
The ZigBee antenna of multilayered structure as described above, wherein second resonant element is a c-type piece, described the
Two resonant elements are connect with the ground unit by a rectangular metal sheet, second resonant element and the third resonance list
Member connection.
The ZigBee antenna of multilayered structure as described above, wherein the ground unit includes multiple rectangle paving copper.
The ZigBee antenna of multilayered structure as described above, wherein the microstrip feed line is arranged on first laminate,
First laminates of the microstrip feed line two sides, the third laminate, opens up on the 4th laminate second layer version
There is through-hole, the microstrip feed line is connect by the through-hole with the ground unit.
In conclusion by adopting the above-described technical solution, the present invention solves in the prior art, ZigBee antenna can not
The problem of supporting multiple frequency ranges simultaneously, 2.4GHz that the present invention successfully uses ZigBee technology in country variant and area,
Tri- kinds of working frequency range of 915MHz and 868MHz are integrated into an antenna, small in size at low cost, are suitable for various forms of
ZigBee product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first laminate of the ZigBee antenna of multilayered structure of the present invention；
Fig. 2 is the structural schematic diagram of the second laminate of the ZigBee antenna of multilayered structure of the present invention；
Fig. 3 is the structural schematic diagram of the third laminate of the ZigBee antenna of multilayered structure of the present invention；
Fig. 4 is the structural schematic diagram of the 4th laminate of the ZigBee antenna of multilayered structure of the present invention.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the first laminate 11 of the ZigBee antenna of multilayered structure of the present invention, and Fig. 2 is that the present invention is more
The structural schematic diagram of second laminate 12 of the ZigBee antenna of layer structure, Fig. 3 is the ZigBee antenna of multilayered structure of the present invention
The structural schematic diagram of third laminate 13, Fig. 4 are the structural representations of the 4th laminate 14 of the ZigBee antenna of multilayered structure of the present invention
Figure, referring to Figure 1 ~ Fig. 4, a kind of ZigBee antenna of multilayered structure, wherein include: a dielectric-slab, dielectric-slab includes: first
Laminate 11, the second laminate 12, third laminate 13, the 4th laminate 14, an antenna element 3 are arranged in the first laminate 11, the second laminate
The lower part of the first laminate 11 is arranged in 12 tops, a feed element 1, and a ground unit is arranged in the first laminate 11, the second laminate
12, the lower part of third laminate 13, the 4th laminate 14；The lower part of the first laminate 11 is arranged in one ground plane, and a microstrip feed line 2 passes through
Ground plane, the first laminate 11, one end of microstrip feed line 2 are connect with feed element 1, the other end and antenna list of microstrip feed line 2
Member 3 connects.
First laminate 11 of the invention, the second laminate 12, third laminate 13, the 4th laminate 14 are arranged from top to bottom.
Antenna element 3 of the invention includes: the first resonant element 41, the second resonant element 42, third resonant element 43, and
One resonant element 41 is mounted on the first laminate 11, and the second resonant element 42, third resonant element 43 are mounted on the second laminate 12.
A via hole of the invention passes through the first laminate 11, the second laminate 12, third laminate 13, the 4th laminate 14.
First resonant element 41 of the invention, the second resonant element 42, third resonant element 43, microstrip feed line 2 passed through
Hole connection.
First resonant element 41 of the invention is an irregular figure piece, and the first resonant element 41 includes: a straight line portion
One end is connect with microstrip line, and the other end of straight line portion is connect by via hole with the second resonant element 42, straight line portion and the second resonance
One end that unit 42 connects is connect with the one end in a L-type portion, and one end of the other end and a snakelike bending part of telling rear L-type portion connects
It connects, the other end of snakelike bending part is connected with a trapezoidal portion.
Second resonant element 42 of the invention is a c-type piece, and the second resonant element 42 passes through rectangle gold with ground unit
Belong to piece connection, the second resonant element 42 is connect with third resonant element 43.
The coverage area of first resonant element 41 of the invention is in the circular range of c-type piece.
Ground unit of the invention includes multiple rectangle paving copper.
Microstrip feed line 2 of the invention is arranged on the first laminate 11, the first laminate 11, the second layer of 2 two sides of microstrip feed line
Through-hole is offered in version, third laminate 13, the 4th laminate 14, microstrip feed line 2 is connect with ground unit by through-hole, fed
When being motivated at unit 1, electric current arrives antenna element 3 through microstrip feed line 2, feed, generates at 3 resonant elements respectively humorous
Vibration, forms 3 lower resonance points of return loss.
In specific implementation process of the invention, the present invention is in 868-868.6MHz, 902-928MHz, 2400-
In tri- ZigBee working frequency range of 2483.5MHz, return loss is lower than -10dB.Wherein, 868-868.6MHz frequency range maximum gain
3.1dBi, radiation efficiency 86%;902-928MHz frequency range maximum gain 2.6dBi, radiation efficiency 84%；2400-2483.5MHz frequency
Section maximum gain 2.1dBi, radiation efficiency 82%.The present invention is small in size, at low cost, and the ZigBee that can be applicable in different frequency range is produced
Product.
Claims (4)
1. a kind of ZigBee antenna of multilayered structure characterized by comprising a dielectric-slab, the dielectric-slab include: first layer
Plate, the second laminate, third laminate, the 4th laminate, antenna element setting is in first laminate, the second laminate top, a feedback
Electric unit is arranged in the lower part of first laminate, and ground unit setting is in first laminate, second laminate, described
The lower part of third laminate, the 4th laminate；Microstrip feed line passes through the ground unit of the first laminate lower part, the microstrip feed line
One end is connect with the feed element, and the other end of the microstrip feed line is connect with the antenna element；The antenna element
It include: the first resonant element, the second resonant element, third resonant element, first resonant element is mounted on the first layer
Plate, second resonant element, the third resonant element are mounted on second laminate；First laminate, described second
Laminate, the third laminate, the 4th laminate are arranged from top to bottom, second resonant element be a c-type piece, described second
Resonant element and the ground unit are grounded by a rectangular metal sheet, the c-type piece of second resonant element circular described the
The setting of one resonant element, second resonant element connect with the third resonant element, first resonant element, described the
Two resonant elements are connect with the microstrip feed line by a via hole.
2. the ZigBee antenna of multilayered structure according to claim 1, which is characterized in that the via hole passes through described first
Laminate, the second laminate, third laminate, the 4th laminate.
3. the ZigBee antenna of multilayered structure according to claim 1, which is characterized in that first resonant element is one
Irregular figure piece, first resonant element include: that one end of a straight line portion is connect with the microstrip feed line, the straight line portion
The other end connect with second resonant element by the via hole, the straight line portion is connect with second resonant element
One end is connect with the one end in a L-type portion, and the other end in the rear L-type portion is connect with one end of a snakelike bending part, described snakelike
The other end of bending part is connected with a trapezoidal portion.
4. the ZigBee antenna of multilayered structure according to claim 1, which is characterized in that the ground unit includes multiple
Rectangle spreads copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618046.4A CN105305039B (en) | 2015-09-25 | 2015-09-25 | The ZigBee antenna of multilayered structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618046.4A CN105305039B (en) | 2015-09-25 | 2015-09-25 | The ZigBee antenna of multilayered structure |
Publications (2)
| Publication Number | Publication Date |
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| CN105305039A CN105305039A (en) | 2016-02-03 |
| CN105305039B true CN105305039B (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510618046.4A Active CN105305039B (en) | 2015-09-25 | 2015-09-25 | The ZigBee antenna of multilayered structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369929A (en) * | 2001-02-13 | 2002-09-18 | 财团法人工业技术研究院 | Sheet antenna |
| CN1507112A (en) * | 2002-12-06 | 2004-06-23 | 广达电脑股份有限公司 | Multiple-frequency antenna for portable electronic equipment |
| CN101262087A (en) * | 2001-10-16 | 2008-09-10 | 弗拉克托斯股份有限公司 | Load antenna |
| CN102800948A (en) * | 2011-06-29 | 2012-11-28 | 深圳光启高等理工研究院 | Antenna and wireless communication device |
| CN102916261A (en) * | 2011-08-02 | 2013-02-06 | 广达电脑股份有限公司 | Antenna combination capable of reducing specific absorption rate of electromagnetic wave |
-
2015
- 2015-09-25 CN CN201510618046.4A patent/CN105305039B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369929A (en) * | 2001-02-13 | 2002-09-18 | 财团法人工业技术研究院 | Sheet antenna |
| CN101262087A (en) * | 2001-10-16 | 2008-09-10 | 弗拉克托斯股份有限公司 | Load antenna |
| CN1507112A (en) * | 2002-12-06 | 2004-06-23 | 广达电脑股份有限公司 | Multiple-frequency antenna for portable electronic equipment |
| CN102800948A (en) * | 2011-06-29 | 2012-11-28 | 深圳光启高等理工研究院 | Antenna and wireless communication device |
| CN102916261A (en) * | 2011-08-02 | 2013-02-06 | 广达电脑股份有限公司 | Antenna combination capable of reducing specific absorption rate of electromagnetic wave |
Non-Patent Citations (2)
| Title |
|---|
| Broadband Multi-layered Coplanar Patch Antenna;K.F.Tong等;《Antennas and Propagation Society International Symposium, 2002. IEEE》;20020621;第581－583页 * |
| Novel low Cost Compact Printed Antenna CPW-Fed for GSM,GPS and PCS Applications;Issam Zahraoui等;《RFID And Adaptive Wireless Sensor Networks (RAWSN), 2015 Third International Workshop on》;20150515;第48－51页 * |
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| Publication number | Publication date |
|---|---|
| CN105305039A (en) | 2016-02-03 |
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