CN203134968U - Round coplanar feed single frequency microstrip antenna - Google Patents
Round coplanar feed single frequency microstrip antenna Download PDFInfo
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- CN203134968U CN203134968U CN 201320022858 CN201320022858U CN203134968U CN 203134968 U CN203134968 U CN 203134968U CN 201320022858 CN201320022858 CN 201320022858 CN 201320022858 U CN201320022858 U CN 201320022858U CN 203134968 U CN203134968 U CN 203134968U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000005855 radiation Effects 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 101700004678 SLIT3 Proteins 0.000 description 2
- 102100027339 Slit homolog 3 protein Human genes 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
本实用新型公开了一种圆形共面馈电式单频微带天线。它包括基板、圆形辐射贴片，微带连接线，阻抗匹配输入传输线，金属接地板；基板的表面设有圆形辐射贴片、微带连接线、阻抗匹配输入传输线和金属接地板，圆形辐射贴片上设有半圆形缝隙，圆形辐射贴片的中心底端与微带连接线一端相连，微带连接线的另一端与阻抗匹配输入传输线相连，阻抗匹配输入传输线上设有S形缝隙，阻抗匹配输入传输线两端1mm～2mm的距离设有对称的两块金属接地板，阻抗匹配输入传输线和金属接地板的底端与基板的底端连接。本实用新型微带基板使用泰康利材料，具有成本低和辐射特性好，结构简单小型，便于集成。
The utility model discloses a circular coplanar feeding type single-frequency microstrip antenna. It includes a substrate, a circular radiation patch, a microstrip connecting line, an impedance matching input transmission line, and a metal grounding plate; the surface of the substrate is provided with a circular radiation patch, a microstrip connecting line, an impedance matching input transmission line and a metal grounding plate, and the circular There is a semicircular gap on the shaped radiation patch, the center bottom of the circular radiation patch is connected to one end of the microstrip connection line, and the other end of the microstrip connection line is connected to the impedance matching input transmission line, and the impedance matching input transmission line is provided with S-shaped gap, the distance between the two ends of the impedance matching input transmission line is 1mm to 2mm. There are two symmetrical metal grounding plates, and the bottom end of the impedance matching input transmission line and the metal grounding plate is connected to the bottom end of the substrate. The microstrip substrate of the utility model uses Taikangli material, has low cost, good radiation characteristics, simple and small structure, and is convenient for integration.
Description
Technical field
The utility model relates to antenna, relates in particular to the coplanar feed-type single-frequency of a kind of circle microstrip antenna.
Technical background
For the mobile radio system of fast development, antenna is one of its imperative equipment.Utilize antenna, radio-frequency power can be coupled in the free space, and launch terminal is launched electromagnetic wave information, and receiving terminal is caught the electromagnetic wave information that incident comes.Antenna both can be a simple lead, also can be baroque active electronic equipment.The superior antenna of design can not only satisfy the demand of system and can improve the performance of whole system.The trend of portable terminal development now is more and more to light and handy, low consumption, portable and multifunctional direction development, so the performance of terminal antenna has also been proposed ask for something such as miniaturization, multiband, broadband and high-gain.And microstrip antenna is because its compact conformation, volume is little, in light weight and easily realize advantage such as two (many) frequency ranges work, can be good at satisfying mobile communication system for the terminal antenna performance demands, thereby in mobile communication system, obtained using very widely.The microstrip antenna of small design multiband has become one of the emphasis of current terminal antenna research and focus.
The scope of using along with microstrip antenna more and more widely, domestic and international many scholars and Application Engineer are also more and more deep to Study of Microstrip Antennas, have particularly obtained significant achievement at the aspects such as miniaturization, multifrequencyization, circular polarization and broadband technology of antenna.In order to satisfy the requirement on frequency, polarization, bandwidth and the integrated antenna volume, cooperating different feeding classifications and designed the different antenna of various structures.
Summary of the invention
The utility model is big in order to overcome prior art loss in WLAN (wireless local area network), and the low deficiency that gains provides the coplanar feed-type single-frequency of a kind of circle microstrip antenna.
In order to achieve the above object, the technical solution of the utility model is as follows:
Circular coplanar feed-type single-frequency microstrip antenna comprises substrate, circular radiation patch, little band connecting line, impedance matching input transmission line, metal ground plate; The surface of substrate is provided with circular radiation patch, little band connecting line, impedance matching input transmission line and metal ground plate, circular radiation patch is provided with semicircle slit, the bottom, center of circular radiation patch links to each other with little band connecting line one end, the other end of little band connecting line links to each other with impedance matching input transmission line, impedance matching input transmission line is provided with S shape slit, the distance of impedance matching input transmission line two ends 1mm～2mm is provided with two metal ground plates of symmetry, and the bottom of impedance matching input transmission line and metal ground plate is connected with the bottom of substrate.
Described substrate is the Tai Kangli material.The width of described substrate is 30mm～32mm, highly is 25mm～35mm.The radius of described circular radiation patch is 5mm～10mm.The exradius in described semicircle slit is 5mm～10mm, and gap width is 0.2mm～0.7mm.The length of described little band connecting line is 3mm～5mm, and micro belt line width is 1mm～2mm.The width of described impedance matching input transmission line is 4mm～5mm, and the microstrip line height is 15mm～20mm.The overall width in described S shape slit is 2mm～5mm, and total height is 5mm～10mm.The width of described metal ground plate is 15mm～20mm.
The little belt substrate of the utility model uses the Tai Kangli material, and it is low, simple in structure small-sized to have a cost, is convenient to integrated.
Description of drawings:
Fig. 1 is the structural front view of circular coplanar feed-type single-frequency microstrip antenna;
Fig. 2 is the insertion loss figure of circular coplanar feed-type single-frequency microstrip antenna;
Fig. 3 is the E surface radiation directional diagram of circular coplanar feed-type single-frequency microstrip antenna when 3.5GHz;
Fig. 4 is the H surface radiation directional diagram of circular coplanar feed-type single-frequency microstrip antenna when 3.5GHz.
Embodiment
As shown in Figure 1, circular coplanar feed-type single-frequency microstrip antenna comprises substrate 1, circular radiation patch 2, little band connecting line 4, impedance matching input transmission line 5, metal ground plate 7; The surface of substrate 1 is provided with circular radiation patch 2, little band connecting line 4, impedance matching input transmission line 5 and metal ground plate 7, circular radiation patch 2 is provided with semicircle slit 3, the bottom, center of circular radiation patch 2 links to each other with little band connecting line 4 one ends, the other end of little band connecting line 4 links to each other with impedance matching input transmission line 5, impedance matching input transmission line 5 is provided with S shape slit 6, the distance of impedance matching input transmission line 5 two ends 1mm～2mm is provided with two metal ground plates 7 of symmetry, and the bottom of impedance matching input transmission line 5 and metal ground plate 7 is connected with the bottom of substrate 1.
Described substrate 1 is the Tai Kangli material.The width of described substrate 1 is 30mm～32mm, highly is 25mm～35mm.The radius of described circular radiation patch 2 is 5mm～10mm.The exradius in described semicircle slit 3 is 5mm～10mm, and gap width is 0.2mm～0.7mm.The length of described little band connecting line 4 is 3mm～5mm, and micro belt line width is 1mm～2mm.The width of described impedance matching input transmission line 5 is 4mm～5mm, and the microstrip line height is 15mm～20mm.The overall width in described S shape slit 6 is 2mm～5mm, and total height is 5mm～10mm.The width of described metal ground plate 7 is 15mm～20mm.
Circular coplanar feed-type single-frequency microstrip antenna:
Selecting dielectric constant is that 2.65 Tai Kangli material is made little belt substrate, and thickness is 0.8mm.The width of substrate is 32mm, highly is 35mm.The radius of circular radiation patch is 8mm.The exradius in semicircle slit is 6mm. gap width is 0.6mm.The length of little band connecting line is 5mm, and micro belt line width is 1mm.The width of impedance matching input transmission line is 4.5mm, and the microstrip line height is 16.5mm.The overall width in S shape slit is 4.7mm, and total height is 8mm.The width of metal ground plate is 17.2mm.Every performance index of circular coplanar feed-type single-frequency microstrip antenna adopt CST software to test the insertion damage curve of gained such as accompanying drawing 2.As seen from the figure, the following working frequency range of-10dB is respectively 2.9867-4.9882GHz, Fig. 3-4 is depicted as circular coplanar feed-type single-frequency microstrip antenna the E face when 3.5GHz and H face directional diagram respectively, as seen from the figure, when frequency is 3.5GHz, gain is 2.7dBi, and the half power lobe width is 80.2 °.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022858 CN203134968U (en) | 2013-01-14 | 2013-01-14 | Round coplanar feed single frequency microstrip antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022858 CN203134968U (en) | 2013-01-14 | 2013-01-14 | Round coplanar feed single frequency microstrip antenna |
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| CN203134968U true CN203134968U (en) | 2013-08-14 |
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| CN 201320022858 Expired - Fee Related CN203134968U (en) | 2013-01-14 | 2013-01-14 | Round coplanar feed single frequency microstrip antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762417A (en) * | 2013-12-31 | 2014-04-30 | 电子科技大学 | Three-frequency-band monopole antenna |
| CN104409836A (en) * | 2014-12-09 | 2015-03-11 | 成都国蓉科技有限公司 | Electromagnetic wave transmitter |
| WO2019069216A1 (en) * | 2017-10-02 | 2019-04-11 | Nokia Shanghai Bell Co., Ltd | Antenna and method of assembly of such antenna |
| CN109638453A (en) * | 2018-12-03 | 2019-04-16 | Oppo广东移动通信有限公司 | Antenna module and electronic equipment |
-
2013
- 2013-01-14 CN CN 201320022858 patent/CN203134968U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762417A (en) * | 2013-12-31 | 2014-04-30 | 电子科技大学 | Three-frequency-band monopole antenna |
| CN103762417B (en) * | 2013-12-31 | 2016-02-10 | 电子科技大学 | Three frequency range monopole antennas |
| CN104409836A (en) * | 2014-12-09 | 2015-03-11 | 成都国蓉科技有限公司 | Electromagnetic wave transmitter |
| WO2019069216A1 (en) * | 2017-10-02 | 2019-04-11 | Nokia Shanghai Bell Co., Ltd | Antenna and method of assembly of such antenna |
| US11258178B2 (en) | 2017-10-02 | 2022-02-22 | Nokia Shanghai Bell Co., Ltd. | Antenna and method of assembly of such antenna |
| CN109638453A (en) * | 2018-12-03 | 2019-04-16 | Oppo广东移动通信有限公司 | Antenna module and electronic equipment |
| CN109638453B (en) * | 2018-12-03 | 2021-04-02 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140114 |