CN104810623A - Novel three-frequency-band three-dimensional patch antenna - Google Patents
Novel three-frequency-band three-dimensional patch antenna Download PDFInfo
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- CN104810623A CN104810623A CN201510196259.2A CN201510196259A CN104810623A CN 104810623 A CN104810623 A CN 104810623A CN 201510196259 A CN201510196259 A CN 201510196259A CN 104810623 A CN104810623 A CN 104810623A
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Abstract
The invention provides a novel three-frequency-band three-dimensional patch antenna. The novel three-frequency-band three-dimensional patch antenna comprises a dielectric substrate which is formed by two layers of dielectric substrates, an antenna radiation main body and a power divider; the antenna radiation main body which is arranged on the surface of the dielectric substrate is a printed circuit on an upper surface of the upper layer of a dielectric slab; the power divider is arranged between the two layers of dielectric slabs; a feeding point of the antenna radiation main body is connected with the power divider through a via hole in the upper layer dielectric slab of the two layers of dielectric slabs; the dielectric substrate is connected by the first substrate which is unfolded on a first side and a second substrate which is unfolded on the second side to form into a three-dimensional shape having space angles. According to the novel three-frequency-band three-dimensional patch antenna, a first antenna and a second antenna are printed on the circuit board, a certain space angle is formed between the two substrates, and accordingly space is saved, the feeding point is led out through microstrip line to be used for being integrated on a plate with other circuit boards, and integration is achieved.
Description
Technical field
The present invention relates to a kind of antenna, particularly relate to a kind of three frequency range stereo paster chip antennas.
Background technology
Along with the develop rapidly of Modern wireless communication technology, mobile product has become the main flow of present stage sci-tech product, comprises mobile phone, notebook computer, router etc.And these products be usually operated at multiple frequency range under (as GSM 900MHz, WLAN 2.45GHz, WiMAX and WLAN 5.8GHz etc.), under this just requires that corresponding antenna also can be operated in multiband.
The radiating principal of traditional paster antenna normally on rectangular patch by certain technology (as fluting, add new resonance minor matters, use higher order resonances etc.) increase the resonance band of antenna, realize the multifrequency of antenna, but the introducing of these technology, make the size of antenna become large, the solid space taken is large, is unfavorable for the miniaturization of antenna.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of three frequency range stereo paster chip antennas, can reduce antenna volume.For this reason, the present invention by the following technical solutions
Three novel frequency range stereo paster chip antennas, is characterized in that it comprises medium substrate, aerial radiation main body, the power splitter be made up of two layer medium plate; Described aerial radiation main body is in the surface of medium substrate, is the printed circuit at top dielectric plate upper surface; Power splitter is between two layer medium plate, the distributing point of aerial radiation main body is connected with power splitter by the via hole be on the top dielectric plate in two layer medium plate, and described medium substrate connects into the three-dimensional shape with space angle by the first substrate launched on the first face and the second substrate that launches on the second surface.
On the basis adopting technique scheme, the present invention also can adopt following further technical scheme:
Two layer medium plate is all glass-epoxy (FR4) material.
Power splitter adopts microstrip line to form, and is the layer dielectric plate upper surface in two layer medium plate or the printed circuit on top dielectric plate lower surface, and draws with microstrip line.
Aerial radiation main body comprises the first antenna and the second antenna; First antenna is on first substrate, comprise circular radiating principal and the parallel rectangular aperture of in the radiating principal of circle two, two frequency ranges can be operated in, described two parallel rectangular apertures are symmetrical relative to the axis of the radiating principal of circle, and described axis is through the center of circle of center of circle radiating principal and perpendicular to the boundary line of first substrate and second substrate; Second antenna is on second substrate, and the second antenna is resonance minor matters, can be operated in the 3rd frequency range.
This power splitter is riffle, the electric current constant amplitude of distributing point is in phase distributed to the feed end of the first antenna and the second antenna.
The three-dimensional shape of described space angle is L-type shape.
This antenna can work in GSM 900MHz, WLAN 2.45GHz and these three frequency ranges of WLAN 5.8GHz.
The present invention is by being printed on circuit board by this first antenna and the second antenna and having certain space angle between two substrates, which save space, and distributing point is drawn by microstrip line, for being integrated in one piece of plank with other circuit board, achieve integrability.
Accompanying drawing explanation
Fig. 1 is inventive antenna pattern schematic diagram.
Fig. 2 is the structural representation of power splitter.
Embodiment
With reference to accompanying drawing.Three frequency range stereo paster chip antennas 100 provided by the present invention comprise first substrate upper strata 10, first substrate lower floor 11, second substrate upper strata 20, second substrate lower floor 21, the first antenna 40 for radiated electromagnetic wave, the second antenna 50, first distributing point 403, second distributing point 501 and power splitter 60 for radiated electromagnetic wave.
This first substrate is by two-layer FR4(glass-epoxy) medium form rectangle non-metal board, comprise first substrate upper strata 10 and first substrate lower floor 11, second substrate is also the rectangle non-metal board consisted of two-layer FR4 medium, comprises second substrate upper strata 20 and second substrate lower floor 21.Ground plane is the rectangle printed layers being fitted in first substrate lower floor 11 and second substrate lower floor 21 surface respectively.
First substrate is connected l-shaped shape with second substrate.
First antenna 40 is arranged at this first substrate upper strata 10.First antenna 40 comprises the first circular radiating principal 400 and parallel rectangular aperture groove 401 and 402, the distributing point 403 of in the radiating principal of circle two.The size of the first main body 400 is at TM according to circular patch
11the formulae discovery that die worker does out.Rectangular aperture 401 and 402 on the first radiating principal, carves corruption out by carving rotten technology, and length is about electromagnetic wave at 1/4th of 5.8GHz operation at frequencies wavelength; Described two parallel rectangular apertures 401 and 402 are symmetrical relative to the axis of the radiating principal of circle, and described axis is through the center of circle of center of circle radiating principal and perpendicular to the boundary line of first substrate and second substrate.First distributing point 403 on the axis of the first radiating principal 400 near rectangular aperture position and be connected with microstrip line with the power splitter 60 on lower floor 11 upper surface of first substrate by the via hole 80 on first substrate upper strata 10, this the first antenna feed is given by power splitter 60, under first antenna 40 can be operated in WLAN 2.45GHz and WIMAX 5.8GHz, radiation characteristic is better.
Second antenna 50 is arranged at second substrate upper strata 20.Second antenna 50 to be joined end to end the bending structure formed by linking arm 500,501,502.The length of this bending structure be about that the second antenna 50 is operated in electromagnetic wavelength under GSM 900MHz 1/4th.The place that linking arm 500 is connected with first substrate upper strata close to the bottom on second substrate upper strata 20.Second distributing point 503 is positioned at the tail end of linking arm 500, and being connected with microstrip line with the power splitter 60 of second substrate lower floor upper surface by the via hole 70 on second substrate upper strata 20, is the second antenna 50 feed.
Power splitter 60 is two points of power splitters, is the first antenna 40 and the second antenna 50 feed, the voltage constant amplitude homophase of distributing point 403 and distributing point 503.Power splitter 60 comprises two microstrip lines i.e. two microstrip lines i.e. the 3rd microstrip line 603 of the first microstrip line 601 and the second microstrip line 602,70.7 ohm and the 4th microstrip line 604 of the microstrip line 600,100 ohm of 50 ohm.First microstrip line and the 3rd microstrip line are printed on first substrate lower floor 11 upper surface, second microstrip line and the 4th microstrip line are printed on second substrate lower floor upper surface, first microstrip line and the second microstrip line connect into the basic appearance of L-type, 3rd microstrip line is crossing with the first microstrip line to be connected, and the 4th microstrip line is crossing with the second microstrip line to be connected.The length of the 3rd microstrip line 603 and the 4th microstrip line 604 is respectively 1/4th of the electromagnetic wavelength that the second antenna 50 works under GSM900MHz, 3rd microstrip line 603 is connected with the distributing point of the first antenna by via hole 70 microstrip line 605, carries out feed to the first antenna 40.4th microstrip line 604 is connected with the distributing point of the second antenna by via hole 80 microstrip line 606, carries out feed to the second antenna 50.
Microstrip line 600 is as distributing point, be positioned at the comer edge that first substrate is connected with second substrate, object is to be connected with other printed circuit board, be convenient to integrated like this, and antenna saves space, work in GSM 900MHz, WLAN 2.45GHz and these three frequency ranges of WLAN 5.8GHz, integral radiation performance is good, can be applied in engineering practice, also save cost simultaneously.
It should be pointed out that embodiment described above is not whole embodiment of the present invention, just a part of embodiment of the present invention.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not paying creative work, all should be considered as protection scope of the present invention.
Claims (7)
1. three novel frequency range stereo paster chip antennas, is characterized in that it comprises medium substrate, aerial radiation main body, the power splitter be made up of two layer medium plate; Described aerial radiation main body is in the surface of medium substrate, is the printed circuit at top dielectric plate upper surface; Power splitter is between two layer medium plate, the distributing point of aerial radiation main body is connected with power splitter by the via hole be on the top dielectric plate in two layer medium plate, and described medium substrate connects into the three-dimensional shape with space angle by the first substrate launched on the first face and the second substrate that launches on the second surface.
2. a kind of three novel frequency range stereo paster chip antennas according to claim 1, is characterized in that: two layer medium plate is all glass-epoxy (FR4) material.
3. a kind of three novel frequency range stereo paster chip antennas according to claim 1, it is characterized in that: power splitter adopts microstrip line to form, be the layer dielectric plate upper surface in two layer medium plate or the printed circuit on top dielectric plate lower surface, and draw with microstrip line.
4. a kind of three novel frequency range stereo paster chip antennas according to claim 1, is characterized in that: aerial radiation main body comprises the first antenna and the second antenna; First antenna is on first substrate, comprise circular radiating principal and the parallel rectangular aperture of in the radiating principal of circle two, two frequency ranges can be operated in, described two parallel rectangular apertures are symmetrical relative to the axis of the radiating principal of circle, and described axis is through the center of circle of center of circle radiating principal and perpendicular to the boundary line of first substrate and second substrate; Second antenna is on second substrate, and the second antenna is resonance minor matters, can be operated in the 3rd frequency range.
5. a kind of three novel frequency range stereo paster chip antennas according to claim 1, is characterized in that: this power splitter is riffle, the electric current constant amplitude of distributing point are in phase distributed to the feed end of the first antenna and the second antenna.
6. a kind of three novel frequency range stereo paster chip antennas according to claim 1, is characterized in that: the three-dimensional shape of described space angle is L-type shape.
7. a kind of three novel frequency range stereo paster chip antennas according to claim 1, is characterized in that: this antenna can work in GSM 900MHz, WLAN 2.45GHz and these three frequency ranges of WLAN 5.8GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196259.2A CN104810623A (en) | 2015-04-23 | 2015-04-23 | Novel three-frequency-band three-dimensional patch antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196259.2A CN104810623A (en) | 2015-04-23 | 2015-04-23 | Novel three-frequency-band three-dimensional patch antenna |
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| Publication Number | Publication Date |
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| CN104810623A true CN104810623A (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510196259.2A Pending CN104810623A (en) | 2015-04-23 | 2015-04-23 | Novel three-frequency-band three-dimensional patch antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021000071A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Antenna module and mobile terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293465A (en) * | 1999-10-15 | 2001-05-02 | 安德鲁公司 | L-type indoor antenna |
| CN2653718Y (en) * | 2003-09-04 | 2004-11-03 | 上海大学 | Double frequency bipolar slotted microstrip antenna |
| CN202308284U (en) * | 2011-08-31 | 2012-07-04 | 华南理工大学 | Dual-polarization multi-system compatible type antenna |
| CN104103906A (en) * | 2014-08-01 | 2014-10-15 | 东南大学 | Low-cost microwave- and millimeter-wave polarized antenna of multi-layer PCB (Printed circuit board) process |
| CN104218320A (en) * | 2014-08-04 | 2014-12-17 | 中国传媒大学 | Tripolar magneto-dipole MIMO (multiple input multiple output) antenna system |
-
2015
- 2015-04-23 CN CN201510196259.2A patent/CN104810623A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293465A (en) * | 1999-10-15 | 2001-05-02 | 安德鲁公司 | L-type indoor antenna |
| CN2653718Y (en) * | 2003-09-04 | 2004-11-03 | 上海大学 | Double frequency bipolar slotted microstrip antenna |
| CN202308284U (en) * | 2011-08-31 | 2012-07-04 | 华南理工大学 | Dual-polarization multi-system compatible type antenna |
| CN104103906A (en) * | 2014-08-01 | 2014-10-15 | 东南大学 | Low-cost microwave- and millimeter-wave polarized antenna of multi-layer PCB (Printed circuit board) process |
| CN104218320A (en) * | 2014-08-04 | 2014-12-17 | 中国传媒大学 | Tripolar magneto-dipole MIMO (multiple input multiple output) antenna system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021000071A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Antenna module and mobile terminal |
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Address after: Hangzhou City, Zhejiang province 310015 Moganshan Road No. two building 1418-25 Applicant after: CENTURY TECHNOLOGY CO., LTD. Address before: Hangzhou City, Zhejiang province 310015 Moganshan Road No. two building 1418-25 Applicant before: Hangzhou Century Co., Ltd. |
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Application publication date: 20150729 |
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| WD01 | Invention patent application deemed withdrawn after publication |