CN111541034B - High-gain low-profile GPS solar cell antenna excited by adopting slot mode - Google Patents
High-gain low-profile GPS solar cell antenna excited by adopting slot mode Download PDFInfo
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- CN111541034B CN111541034B CN202010489927.1A CN202010489927A CN111541034B CN 111541034 B CN111541034 B CN 111541034B CN 202010489927 A CN202010489927 A CN 202010489927A CN 111541034 B CN111541034 B CN 111541034B
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- 238000012986 modification Methods 0.000 description 2
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- 238000004088 simulation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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Abstract
The invention discloses a high-gain low-profile GPS solar cell antenna excited by adopting a gap mode, which belongs to the technical field of solar cell antennas and comprises the following components: the antenna comprises a dielectric plate, a radiation main body and a feed structure; the low-pass filter is characterized in that the radiation main body and the feed structure are positioned on two sides of the dielectric slab, the radiation main body is composed of 5 strings of solar cells, the solar cells are excited in a gap mode, the 5 strings of solar cells are arranged in parallel to form four H-shaped excitation gaps, the excitation feeder line adopts a one-to-four power division network to simultaneously feed the excitation gaps, and the low-pass filter is coplanar with the feeder line. The invention realizes high-gain radiation performance by utilizing 4 gaps among 5 strings of solar cells for excitation design, reduces the section height of the antenna and simplifies the structural design of the antenna. The GPS solar cell antenna can achieve the purpose of communicating devices with high gain requirements, and is suitable for the application environment requirements of high gain.
Description
Technical Field
The invention belongs to the technical field of solar cell antennas, and particularly relates to a high-gain low-profile GPS solar cell antenna excited in a gap mode.
Background
The traditional GPS solar cell antenna adopts a layered structure design, a solar cell sheet serving as a radiation main body is arranged above a feed layer, and a feed line and a floor of a feed point layer are respectively positioned on two sides of a lower-layer dielectric plate.
Although the purpose of using the solar cell as the radiation main body of the GPS antenna can be achieved by the layered structure design, the GPS solar cell antenna adopting the layered structure design has a high profile height, and has a certain limitation on the practical application range of the GPS solar cell antenna.
Disclosure of Invention
The invention provides a high-gain low-profile GPS solar cell antenna excited by adopting a gap mode, aiming at solving the technical problems in the prior art, and the high-gain low-profile GPS solar cell antenna is designed by utilizing 4 gaps among 5 strings of solar cell strings for excitation so as to realize high-gain radiation performance, reduce the profile height of the antenna and simplify the structural design of the antenna. The GPS solar cell antenna can achieve the purpose of communicating devices with high gain requirements, and is suitable for the application environment requirements of high gain.
The invention aims to provide a high-gain low-profile GPS solar cell antenna excited by adopting a slot mode, which comprises: the antenna comprises a dielectric plate, a radiation main body and a feed structure; the radiation main body and the feed structure are positioned on two sides of the dielectric slab, the radiation main body is composed of 5 strings of solar cells, the solar cells are excited in a gap mode, the 5 strings of solar cells are arranged in parallel to form four H-shaped excitation gaps, the excitation feeder line adopts a one-to-four power division network to simultaneously feed the excitation gaps, and the low-pass filter is coplanar with the feeder line.
Further, the thickness of the dielectric plate is 0.762 millimeter.
Still further, the dimensions of the string of solar cells are 158.35 millimeters by 40.8 millimeters.
Furthermore, the working frequency of the GPS solar cell antenna is 1.575 GHz.
Further, the dimensions of the trenched floor were 82 mm x 86.5 mm.
Further, the GPS solar cell antenna height is 0.762 millimeters.
The invention has the advantages and positive effects that:
by adopting the technical scheme, the solar cell antenna has better radiation performance and effectively reduces the section height of the solar cell antenna. Meanwhile, the structural design of the antenna is simplified by adopting the gap feeding mode, and compared with a common GPS solar cell antenna, the GPS solar cell antenna has higher gain and solar cell piece distribution rate, and is favorable for the practical application of the GPS solar cell antenna under the high-gain requirement.
Drawings
FIG. 1 is a block diagram of a preferred embodiment of the present invention;
FIG. 2 is a left side view of the preferred embodiment of the present invention;
FIG. 3 is a top view of a preferred embodiment of the present invention;
FIG. 4 is a bottom view of the preferred embodiment of the present invention;
FIG. 5 is a diagram of a first simulation result of GPS solar cell antenna performance in accordance with a preferred embodiment of the present invention;
FIG. 6 is a diagram of a second simulation result of the performance of a GPS solar cell antenna in a preferred embodiment of the present invention.
Wherein: 1. a solar cell string; 2. a dielectric plate; 3. a direct current feeder; 4. a low-pass filter; 5. and a feeder line.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
as shown in fig. 1 to 6, the technical solution of the present invention is:
a high-gain low-profile GPS solar cell antenna excited by adopting a slot mode adopts the slot mode to feed, effectively reduces the profile height of the antenna, utilizes the slot between solar cell strings to feed, realizes the high-gain radiation performance and simplifies the structural design of the antenna. The GPS solar cell antenna structure is shown in fig. 3. The GPS solar cell antenna mainly works at 1.575GHz, the size of each solar cell string is 158.35 mm multiplied by 40.8 mm, the size of the grooved floor is 82 mm multiplied by 86.5 mm, and the height of the antenna is 0.762 mm.
Referring to fig. 1 to 4, the preferred embodiment mainly includes: the dielectric plate 2, the radiation main body and the feed structure; the radiation main body comprises a solar cell string 1 and a direct current feeder 3; the feed structure comprises a low pass filter 4 and a feed line 5.
The invention utilizes the slot between the solar cell strings to carry out feed excitation, not only can reduce the section height of the antenna, but also can realize high-gain radiation performance by adopting a one-to-four power division network to carry out excitation simultaneously. Meanwhile, the solar cell string constructs an excitation slit groove, so that the structural design of the antenna is simplified, and the practical application of the GPS solar cell antenna is facilitated.
The radiation main body of the GPS solar cell antenna in the preferred embodiment is composed of 5 strings of solar cells, and is excited in a slot mode, and the radiation main body and the feed structure are respectively located on both sides of a dielectric plate with a thickness of 0.762 mm, as shown in fig. 3 and 4. Wherein, 5 strings of solar cells positioned on the upper side of the dielectric plate are arranged in parallel to form four H-shaped gaps as excitation gaps of the GPS solar cell antenna, as shown in FIG. 3; the excitation feeder adopts a one-to-four power division network to simultaneously feed the H-shaped slot, and the low-pass filter is coplanar with the feeder and positioned at the lower side of the dielectric plate, as shown in figure 4.
The preferred embodiment adopts a slot coupling feed mode to realize impedance matching design, a main radiation structure consists of 5 strings of 158.35 mm multiplied by 40.8 mm solar cell strings, and the solar cell strings are connected together in a parallel connection mode.
Fig. 5 and 6 show the radiation performance of the GPS solar cell antenna. As shown in fig. 5, the GPS solar cell antenna covers a frequency band of 1.51GHz to 1.78GHz, realizes a 16.41% relative bandwidth matching design, and has a peak gain at a frequency point of 1.6GHz, and the gain peak is 8dBi, which can achieve better radiation performance. .
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (6)
1. A high-gain low-profile GPS solar cell antenna excited with a slot mode, comprising: the antenna comprises a dielectric plate, a radiation main body and a feed structure; the low-pass filter is characterized in that the radiation main body and the feed structure are positioned on two sides of the dielectric slab, the radiation main body is composed of 5 strings of solar cells, the solar cells are excited in a gap mode, the 5 strings of solar cells are arranged in parallel to form four H-shaped excitation gaps, the excitation feeder line adopts a one-to-four power division network to simultaneously feed the excitation gaps, and the low-pass filter is coplanar with the feeder line.
2. The high gain low profile GPS solar cell antenna with slot mode excitation of claim 1, wherein the dielectric plate has a thickness of 0.762 millimeter.
3. The high-gain low-profile GPS solar-cell antenna excited by a slot mode according to claim 1 or 2, wherein the solar-cell string has dimensions of 158.35 mm x 40.8 mm.
4. The high-gain low-profile GPS solar-cell antenna excited by a slot mode according to claim 3, wherein the operating frequency of the GPS solar-cell antenna is 1.575 GHz.
5. The high gain low profile GPS solar cell antenna with slot mode excitation of claim 4, wherein the trenched floor size is 82 mm x 86.5 mm.
6. The high gain low profile GPS solar cell antenna with slot mode excitation of claim 1, wherein the GPS solar cell antenna height is 0.762 millimeters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010489927.1A CN111541034B (en) | 2020-06-02 | 2020-06-02 | High-gain low-profile GPS solar cell antenna excited by adopting slot mode |
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| CN202010489927.1A CN111541034B (en) | 2020-06-02 | 2020-06-02 | High-gain low-profile GPS solar cell antenna excited by adopting slot mode |
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| CN111541034B true CN111541034B (en) | 2022-02-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003032A (en) * | 2020-08-25 | 2020-11-27 | 天津大学 | Slot array antenna of integrated solar cell for satellite navigation |
| CN111987430B (en) * | 2020-08-25 | 2022-06-10 | 天津大学 | Broadband slot antenna integrated with solar cell |
| CN114024130B (en) * | 2021-10-15 | 2023-11-28 | 中国电子科技集团公司第十八研究所 | Low-profile broadband solar cell antenna |
| CN115133264B (en) * | 2022-06-20 | 2023-09-15 | 天津大学 | Radar antenna unit integrated with solar cell |
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| US7038622B2 (en) * | 2003-03-03 | 2006-05-02 | Robert Bosch Gmbh | Slot antenna array using LTCC technology |
| CN102496053A (en) * | 2011-12-12 | 2012-06-13 | 天津工业大学 | Radio frequency identification device (RFID) with solar battery as antenna |
| CN106711576A (en) * | 2016-12-14 | 2017-05-24 | 西安电子科技大学 | Solar cell and slot antenna integration device |
| CN110112545A (en) * | 2019-04-08 | 2019-08-09 | 天津大学 | A kind of integral antenna of integrated solar cell piece |
| CN110797629A (en) * | 2019-11-15 | 2020-02-14 | 中国电子科技集团公司第十八研究所 | Array solar cell slice antenna based on coplanar waveguide structure |
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| US20120218154A1 (en) * | 2011-02-25 | 2012-08-30 | General Motors Llc | Slot antenna in a solar-reflective glazing |
| CN110112543A (en) * | 2018-03-21 | 2019-08-09 | 南京邮电大学 | New WLAN plane inverse-F dual-band antenna based on photovoltaic solar |
| CN108682941B (en) * | 2018-06-07 | 2020-12-29 | 电子科技大学 | Solar circularly polarized antenna |
| CN109888481B (en) * | 2018-12-28 | 2020-05-12 | 电子科技大学 | Omnidirectional circularly polarized super-surface solar antenna |
| CN110620295B (en) * | 2019-09-05 | 2022-06-14 | 南京信息职业技术学院 | Substrate integrated waveguide slot antenna integrating solar cell and circuit module |
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| US7038622B2 (en) * | 2003-03-03 | 2006-05-02 | Robert Bosch Gmbh | Slot antenna array using LTCC technology |
| CN102496053A (en) * | 2011-12-12 | 2012-06-13 | 天津工业大学 | Radio frequency identification device (RFID) with solar battery as antenna |
| CN106711576A (en) * | 2016-12-14 | 2017-05-24 | 西安电子科技大学 | Solar cell and slot antenna integration device |
| CN110112545A (en) * | 2019-04-08 | 2019-08-09 | 天津大学 | A kind of integral antenna of integrated solar cell piece |
| CN110797629A (en) * | 2019-11-15 | 2020-02-14 | 中国电子科技集团公司第十八研究所 | Array solar cell slice antenna based on coplanar waveguide structure |
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| "Bandwidth Enhancement of Antenna Arrays Utilizing Mutual Coupling between Antenna Elements";Min Wang等;《International Journal of Antennas and Propagation》;20100608;第10栏第1段，第13栏第1段，图3（e） * |
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Effective date of registration: 20221111 Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Patentee after: CETC Energy Co.,Ltd. Patentee after: Tianjin University Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Patentee before: The 18th Research Institute of China Electronics Technology Group Corporation Patentee before: Tianjin University |
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Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Patentee after: CETC Blue Sky Technology Co.,Ltd. Patentee after: Tianjin University Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Patentee before: CETC Energy Co.,Ltd. Patentee before: Tianjin University |