CN204011731U - Complex media microstrip antenna - Google Patents
Complex media microstrip antenna Download PDFInfo
- Publication number
- CN204011731U CN204011731U CN201420439185.1U CN201420439185U CN204011731U CN 204011731 U CN204011731 U CN 204011731U CN 201420439185 U CN201420439185 U CN 201420439185U CN 204011731 U CN204011731 U CN 204011731U
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- CN
- China
- Prior art keywords
- insulated substrate
- ground plane
- microstrip antenna
- complex media
- radiation patch
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Abstract
The utility model relates to microwave technology, the microstrip antenna particularly transmitting and receiving for microwave.The utility model, for the prior art microstrip antenna low shortcoming that gains, discloses a kind of complex media microstrip antenna.The new technical scheme of this practicality is, complex media microstrip antenna, comprise insulated substrate, radiation patch, ground plane and coaxial line, described radiation patch is arranged in insulated substrate front, described ground plane is arranged in the insulated substrate back side, and described coaxial inner conductor is connected with radiation patch distributing point with insulated substrate through ground plane, and described coaxial outer conductor is connected with ground plane, it is characterized in that, between described insulated substrate and ground plane, be provided with air layer.The utility model improves antenna gain under the condition that does not substantially increase cost, and antenna gain is easily controlled, and has high-gain feature cheaply.
Description
Technical field
The utility model relates to microwave technology, the microstrip antenna particularly transmitting and receiving for microwave.
Background technology
Microstrip antenna is that a kind of common microwave transmits and receives parts, and its structure as depicted in figs. 1 and 2, comprises insulated substrate 10, radiation patch 11, ground plane 12 and coaxial line 2 (not shown in figure 1)s.Radiation patch 11 and ground plane 12 conventionally by electric conducting material as metal etc. forms, can be sheet metal or washing layer.The shape of radiation patch 11 is generally rectangle or circle, has different sizes according to different operating frequencies, as the long b of rectangle in Fig. 1 and wide a or circular diameter etc.Radiation patch 11 and ground plane 12 are arranged in insulated substrate 10 obverse and reverses, and ground plane 12 is covered with whole substrate conventionally.Coaxial line 2 inner wires 20 are connected with radiation patch distributing point with insulated substrate 10 through ground plane 12, and coaxial line 2 outer conductors 21 are connected with ground plane 12, form microwave signal transmission system.The gain of microstrip antenna is relevant with the dielectric constant of medium (being insulated substrate), and medium dielectric constant is larger, and antenna gain is lower, otherwise medium dielectric constant is less, and antenna gain is larger.Because the dielectric constant of insulated substrate is conventionally larger, be far longer than the dielectric constant of air, as conventional FR-4 medium substrate etc., the microstrip antenna gain of formation is just lower, often can not meet design requirement.And the insulated substrate price general charged of low-k is very high, if for making microstrip antenna, must increase the cost of antenna.
Utility model content
Technical problem to be solved in the utility model, for the prior art microstrip antenna low shortcoming that gains, provides a kind of complex media microstrip antenna exactly, reduces medium substrate dielectric constant, improves microstrip antenna gain.
The utility model solve the technical problem, the technical scheme adopting is, complex media microstrip antenna, comprise insulated substrate, radiation patch, ground plane and coaxial line, described radiation patch is arranged in insulated substrate front, and described ground plane is arranged in the insulated substrate back side, described coaxial inner conductor is connected with radiation patch distributing point with insulated substrate through ground plane, described coaxial outer conductor is connected with ground plane, it is characterized in that, between described insulated substrate and ground plane, is provided with air layer.
Complex media microstrip antenna of the present utility model is set up one deck air layer between insulated substrate and ground plane, makes medium between radiation patch and ground plane become the complex media of insulated substrate and air.Because dielectric constant of air is far smaller than general insulated substrate dielectric constant, make the complex media dielectric constant of insulated substrate and air also lower, thereby reduced the dielectric constant of microstrip antenna medium, improve antenna gain.
Further, in described air layer, insulating supporting post is installed.
For the large microstrip antenna of Area comparison, due to insulated substrate and ground plane area all larger, in order to make air layer thickness therebetween even, avoid microstrip antenna distortion, and affect antenna performance, need to be in air layer installing insulating support column.
Preferably, described insulating supporting post is arranged on insulated substrate periphery.
Insulating supporting post is arranged on insulated substrate periphery, can reduce the impact of insulating supporting post on radiation patch, is conducive to improve antenna performance
Further, described insulating supporting post height is adjustable.
By adjusting insulating supporting post height, can regulate the thickness of air layer, thereby regulate antenna gain.
Concrete, described insulated substrate is single-clad board, and described radiation patch is made up of the copper layer that covers of described single-clad board, and described ground plane is made up of metallic plate.
Adopting single-clad board and metallic plate to form complex media microstrip antenna, have manufacture craft maturation, simple feature, and can adopt etching technics to make complex-shaped aerial radiation paster covering copper layer, is the preferred version of the utility model.
Preferably, described metallic plate is aluminium sheet.
Adopt aluminium sheet to form ground plane as metallic plate, existing certain intensity, has again good electric conductivity, and aluminium sheet weight is smaller, and processing is also easy to.
The beneficial effects of the utility model are, under the condition that does not substantially increase cost, improve antenna gain, and antenna gain is easily controlled, and has high-gain feature cheaply.
Brief description of the drawings
Fig. 1 is prior art microstrip antenna structure schematic diagram;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the microstrip antenna structure schematic diagram of embodiment.
In figure: 2 is coaxial line; 10 is substrate; 11 is radiation patch; 12 is ground plane (or metallic plate); 13 is air layer; 14 is insulating supporting post; 20 is coaxial inner conductor; 21 is coaxial outer conductor; 22 is coaxial line insulating barrier; A is the wide of rectangular radiation patch; B is the length of rectangular radiation patch; H is air layer thickness.
Embodiment
Below in conjunction with drawings and Examples, describe the technical solution of the utility model in detail.
Complex media microstrip antenna of the present utility model, air layer is embedded between insulated substrate and ground plane, make medium between radiation patch and ground plane become the complex media of insulated substrate and air, because dielectric constant of air is far smaller than general insulated substrate dielectric constant, the dielectric constant of complex media is also just lower, thereby the dielectric constant that has reduced microstrip antenna medium, has improved antenna gain.
Embodiment 1
Referring to Fig. 3, this routine complex media microstrip antenna structure as shown in Figure 3, comprises radiation patch 11, insulated substrate 10, ground plane 12, air layer 13, insulating supporting post 14 and coaxial line 2.This routine ground plane 12 adopts the metal aluminum sheet with some strength to form, and for supports insulative substrate 10 and radiation patch 11, is provided with insulating supporting post 14 at the periphery of aluminium sheet.Radiation patch 11 is arranged in insulated substrate 10 fronts, and has just had two layer medium between the ground plane at insulated substrate 10 back sides, and one deck is that insulated substrate 10 one decks are air layer 13.In Fig. 3, insulated substrate 10 adopts single-clad board to form, 11 of the radiation patch copper layer that covers by single-clad board forms by etching technics, coaxial inner conductor 20 is connected through the distributing point of ground connection 12 and insulated substrate 10 and radiation subsides 11, and coaxial outer conductor is connected with metal aluminum sheet 12 by welding.In this example, be highly h at the insulated substrate insulating supporting post 14 of 10 weeks, the namely height of insulating supporting post 14 of thickness of the air layer 13 forming between insulated substrate 10 and ground plane 12.By regulating the height of insulating supporting post 14 can change the thickness of air layer 13, thereby change antenna gain, meet different designing requirements.
Claims (6)
1. complex media microstrip antenna, comprise insulated substrate, radiation patch, ground plane and coaxial line, described radiation patch is arranged in insulated substrate front, described ground plane is arranged in the insulated substrate back side, described coaxial inner conductor is connected with radiation patch distributing point with insulated substrate through ground plane, described coaxial outer conductor is connected with ground plane, it is characterized in that, between described insulated substrate and ground plane, is provided with air layer.
2. complex media microstrip antenna according to claim 1, is characterized in that, insulating supporting post is installed in described air layer.
3. complex media microstrip antenna according to claim 2, is characterized in that, described insulating supporting post is arranged on insulated substrate periphery.
4. complex media microstrip antenna according to claim 2, is characterized in that, described insulating supporting post height is adjustable.
5. according to the complex media microstrip antenna described in claim 1～4 any one, it is characterized in that, described insulated substrate is single-clad board, and described radiation patch is made up of the copper layer that covers of described single-clad board, and described ground plane is made up of metallic plate.
6. complex media microstrip antenna according to claim 5, is characterized in that, described metallic plate is aluminium sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439185.1U CN204011731U (en) | 2014-08-06 | 2014-08-06 | Complex media microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439185.1U CN204011731U (en) | 2014-08-06 | 2014-08-06 | Complex media microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011731U true CN204011731U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420439185.1U Expired - Fee Related CN204011731U (en) | 2014-08-06 | 2014-08-06 | Complex media microstrip antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011731U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810614A (en) * | 2015-03-20 | 2015-07-29 | 西北工业大学 | Device for enhancing phased array wide angle scanning gain |
| CN105514595A (en) * | 2015-12-11 | 2016-04-20 | 成都信息工程大学 | High-gain microstrip array antenna |
| CN107069198A (en) * | 2017-01-19 | 2017-08-18 | 瑞声科技(新加坡)有限公司 | Multiband MEMS antenna systems |
| CN108292801A (en) * | 2015-11-23 | 2018-07-17 | M·曼南 | Low profile antenna with high-gain |
| CN109075437A (en) * | 2016-05-10 | 2018-12-21 | 诺瓦特公司 | Use the stack paster antenna of the dielectric base plate with patterned cavity |
| US11367949B2 (en) | 2018-05-15 | 2022-06-21 | Michael Mannan | Antenna |
| CN114824772A (en) * | 2022-05-06 | 2022-07-29 | 嘉兴金领电子有限公司 | Light circularly polarized antenna and mounting method thereof |
-
2014
- 2014-08-06 CN CN201420439185.1U patent/CN204011731U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810614A (en) * | 2015-03-20 | 2015-07-29 | 西北工业大学 | Device for enhancing phased array wide angle scanning gain |
| CN108292801B (en) * | 2015-11-23 | 2022-02-25 | M·曼南 | Low profile antenna with high gain |
| CN108292801A (en) * | 2015-11-23 | 2018-07-17 | M·曼南 | Low profile antenna with high-gain |
| CN105514595A (en) * | 2015-12-11 | 2016-04-20 | 成都信息工程大学 | High-gain microstrip array antenna |
| US10985467B2 (en) | 2016-05-10 | 2021-04-20 | Novatel Inc. | Stacked patch antennas using dielectric substrates with patterned cavities |
| CN109075437A (en) * | 2016-05-10 | 2018-12-21 | 诺瓦特公司 | Use the stack paster antenna of the dielectric base plate with patterned cavity |
| CN109075437B (en) * | 2016-05-10 | 2022-05-24 | 诺瓦特公司 | Stacked patch antenna using dielectric substrate with patterned cavity |
| US11888242B2 (en) | 2016-05-10 | 2024-01-30 | Novatel Inc. | Stacked patch antennas using dielectric substrates with patterned cavities |
| CN107069198B (en) * | 2017-01-19 | 2020-09-18 | 瑞声科技(新加坡)有限公司 | Multi-band MEMS antenna system |
| CN107069198A (en) * | 2017-01-19 | 2017-08-18 | 瑞声科技(新加坡)有限公司 | Multiband MEMS antenna systems |
| US11367949B2 (en) | 2018-05-15 | 2022-06-21 | Michael Mannan | Antenna |
| CN114824772A (en) * | 2022-05-06 | 2022-07-29 | 嘉兴金领电子有限公司 | Light circularly polarized antenna and mounting method thereof |
| CN114824772B (en) * | 2022-05-06 | 2024-03-26 | 嘉兴金领电子有限公司 | Light circularly polarized antenna and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150806 |
|
| EXPY | Termination of patent right or utility model |