CN215771554U - Rectangular antenna - Google Patents
Rectangular antenna Download PDFInfo
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- CN215771554U CN215771554U CN202121236720.XU CN202121236720U CN215771554U CN 215771554 U CN215771554 U CN 215771554U CN 202121236720 U CN202121236720 U CN 202121236720U CN 215771554 U CN215771554 U CN 215771554U
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Abstract
The utility model discloses a rectangular antenna which is used for adapting a shell or a mounting plate and comprises a front radiation layer, a dielectric layer, a ground layer and a feed pin, wherein the front radiation layer and the ground layer are respectively positioned at two opposite sides of the dielectric layer, the front radiation layer and the ground layer are respectively and fixedly connected with the dielectric layer, the front radiation layer is cuboid, a U-shaped groove part is arranged at one side of the front radiation layer, which is far away from the dielectric layer, the front radiation layer is also provided with a radiation connecting hole, and the radiation connecting hole is surrounded by the U-shaped groove part. The rectangular antenna disclosed by the utility model is rectangular in shape, can be conformal with a mounting plate or a shell in a special structural environment by adopting low cost, and is high in processing efficiency and convenient to use.
Description
Technical Field
The utility model belongs to the technical field of antennas, and particularly relates to a rectangular antenna.
Background
The satellite positioning system has wide application, can be used for navigation service in the fields of sea, land, air and the like, and also has wide application in the fields of military industry, measurement and the like which need precise positioning. The volume of devices such as navigation positioning and communication devices is becoming smaller and smaller, and the development of antennas toward miniaturization, light weight, high reliability, and the like is required.
The satellite navigation antenna generally adopts circularly polarized waves, and the antenna that applies to navigation and communication is mostly the square nowadays, can't be conformal with shell or mounting panel in some special structural environment to current antenna does not have the side radiation layer, and the front radiation layer can't be read under some special scenes, thereby influences work.
Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a rectangular antenna, which is shaped into a rectangle, can be conformal with a mounting plate or a housing in a special structural environment at low cost, has high processing efficiency and convenient use, and can ensure that the working frequency range is within 400Mhz-3000Mhz by adjusting the shape and the length of a radiation layer and the dielectric constant of a dielectric layer.
Another object of the present invention is to provide a rectangular antenna which has the advantages of simple structure, small size, low profile, convenient feeding, and convenient installation and processing.
Another objective of the present invention is to provide a rectangular antenna, which has an extension portion on the front radiation layer as a side radiation layer to increase the reading area, and is suitable for different scenes.
In order to achieve the above object, the present invention provides a rectangular antenna adapted to a housing or a mounting board, including a front radiation layer, a dielectric layer, a ground layer and a feeding pin, wherein the front radiation layer and the ground layer are respectively located at two opposite sides of the dielectric layer, and the front radiation layer and the ground layer are respectively fixedly connected to the dielectric layer, wherein:
the front radiation layer is cuboid, a U-shaped groove portion (used for adjusting impedance matching of an antenna) is arranged on one side, away from the dielectric layer, of the front radiation layer, a radiation connection hole is further formed in the front radiation layer, the radiation connection hole is surrounded by the U-shaped groove portion, the front radiation layer is provided with a first extension portion and a second extension portion (serving as a side radiation layer, the reading area is increased, the reading area is suitable for different scenes), and the first extension portion and the second extension portion are respectively tightly attached to the side face of the dielectric layer;
the medium layer is cuboid and is provided with medium connecting holes, and the medium connecting holes correspond to the radiation connecting holes (the direction is consistent and is used for placing feed pins);
the grounding layer is cuboid and provided with grounding connecting holes, the grounding connecting holes respectively correspond to the radiation connecting holes and the grounding connecting holes, the grounding layer is provided with a third extending portion and a fourth extending portion, and the third extending portion and the fourth extending portion are respectively tightly attached to the side face of the dielectric layer.
As a further preferable technical solution of the above technical solution, the feed pin penetrates the radiation connection hole, the dielectric connection hole, and the ground hole in this order.
As a further preferable technical solution of the above technical solution, the first extension portion is located on a first side surface of the dielectric layer, the first extension portion is tightly attached to the first side surface, the first side surface is located between the front radiation layer and the ground layer, the second extension portion is located on a second side surface of the dielectric layer, the second extension portion is tightly attached to the second side surface, and the second side surface is located between the front radiation layer and the ground layer.
As a further preferable technical solution of the above technical solution, the first extension portion is provided with a first chamfer, and the second extension portion is provided with a second chamfer (for realizing circularly polarized waves).
As a further preferable technical solution of the above technical solution, the third extending portion is located on a first side surface of the dielectric layer, and the third extending portion is tightly attached to the first side surface, the fourth extending portion is located on a second side surface of the dielectric layer, and the fourth extending portion is tightly attached to the second side surface.
As a further preferable mode of the above mode, a distance is provided between the first extension and the third extension, and a distance is provided between the second extension and the fourth extension.
Drawings
Fig. 1 is a schematic structural diagram of a rectangular antenna according to the present invention.
Fig. 2 is a schematic structural diagram of a rectangular antenna according to the present invention.
The reference numerals include: 100. a front side radiation layer; 110. a U-shaped groove portion; 120. a first extension portion; 121. a first corner cut; 130. a second extension portion; 131. a second corner cut; 200. a dielectric layer; 210. a first side surface; 220. a second side surface; 300. a ground plane; 310. a third extension portion; 320. a fourth extension portion; 400. a feeding pin.
Detailed Description
The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
The utility model discloses a rectangular antenna, and the specific embodiment of the utility model is further described below by combining the preferred embodiment.
In the embodiments of the present invention, those skilled in the art note that the ground layer and the dielectric layer, etc. related to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model provides a rectangular antenna which is used for adapting a shell or a mounting board and comprises a front radiation layer 100, a dielectric layer 200, a ground layer 300 and a feed pin 400, wherein the front radiation layer 100 and the ground layer 300 are respectively positioned at two opposite sides of the dielectric layer 200, and the front radiation layer 100 and the ground layer 300 are respectively fixedly connected with the dielectric layer 200, wherein:
the front surface radiation layer 100 is a rectangular parallelepiped and a side of the front surface radiation layer 100 away from the dielectric layer 200 is provided with a U-shaped groove portion 110 (for adjusting impedance matching of the antenna), the front side radiation layer 100 is further provided with a radiation connection hole, which is surrounded by the U-shaped groove portion 110, the front side radiation layer 100 is provided with a first extension 120 and a second extension 130 (as side radiation layers, increasing the read area, suitable for different scenarios, since in a significant portion of RFID applications it is necessary to stick RFID tags to metal surfaces, such as cars, cylinders, containers, etc., but when RFID tags are placed on metal surfaces the read distance deteriorates rapidly, even at low elevation angles, because such boundary conditions of the metal surface change the radiation efficiency, impedance matching and pattern of the antenna), the first extension part 120 and the second extension part 130 are respectively tightly attached to the side surfaces of the dielectric layer 200;
the dielectric layer 200 is a cuboid, and the dielectric layer 200 is provided with dielectric connecting holes corresponding to the radiation connecting holes (the direction is consistent, and the dielectric connecting holes are used for placing feed pins);
the ground layer 300 is a rectangular parallelepiped and the ground layer 300 is provided with ground connection holes corresponding to the radiation connection holes and the ground connection holes, respectively, the ground layer 300 is provided with a third extension portion 310 and a fourth extension portion 320, and the third extension portion 310 and the fourth extension portion 320 are respectively tightly attached to the side surfaces of the dielectric layer 200.
Specifically, the feeding pin 400 sequentially penetrates through the radiation connection hole, the dielectric connection hole, and the ground hole.
More specifically, the first extending portion 120 is located on a first side surface 210 of the dielectric layer 200, the first extending portion 120 is tightly attached to the first side surface 210, the first side surface 210 is located between the front side radiation layer 100 and the ground layer 300, the second extending portion 130 is located on a second side surface 220 of the dielectric layer 200, the second extending portion 130 is tightly attached to the second side surface 220, and the second side surface 220 is located between the front side radiation layer 100 and the ground layer 300.
Further, the first extension portion 120 is provided with a first chamfer 121, and the second extension portion 130 is provided with a second chamfer 131 (for realizing circularly polarized waves).
Furthermore, the third extending portion 310 is located on the first side 210 of the dielectric layer 200, the third extending portion 310 is tightly attached to the first side 210, the fourth extending portion 320 is located on the second side 220 of the dielectric layer 200, and the fourth extending portion 320 is tightly attached to the second side 220.
Preferably, a distance is provided between the first extension 120 and the third extension 310, and a distance is provided between the second extension 130 and the fourth extension 320.
Preferably, the dielectric layer may have a dielectric constant of 4-150.
It should be noted that the technical features such as the ground layer and the dielectric layer related to the present invention should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be selected conventionally in the field, and should not be regarded as the utility model point of the present invention, and the present invention is not further specifically described in detail.
It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (6)
1. A rectangular antenna is used for adapting a shell or a mounting plate and comprises a front radiation layer, a dielectric layer, a ground layer and a feed pin, wherein the front radiation layer and the ground layer are respectively positioned at two opposite sides of the dielectric layer, and the front radiation layer and the ground layer are respectively fixedly connected with the dielectric layer, and the rectangular antenna is characterized in that:
the front radiation layer is cuboid, a U-shaped groove portion is formed in one side, away from the medium layer, of the front radiation layer, a radiation connection hole is further formed in the front radiation layer, the radiation connection hole is surrounded by the U-shaped groove portion, the front radiation layer is provided with a first extension portion and a second extension portion, and the first extension portion and the second extension portion are tightly attached to the side face of the medium layer respectively;
the medium layer is cuboid and is provided with medium connecting holes, and the medium connecting holes correspond to the radiation connecting holes;
the grounding layer is cuboid and provided with grounding connecting holes, the grounding connecting holes respectively correspond to the radiation connecting holes and the grounding connecting holes, the grounding layer is provided with a third extending portion and a fourth extending portion, and the third extending portion and the fourth extending portion are respectively tightly attached to the side face of the dielectric layer.
2. The rectangular antenna of claim 1, wherein said feed pin penetrates said radiation connection hole, said dielectric connection hole and said ground hole in this order.
3. The rectangular antenna of claim 2, wherein said first extension portion is located on a first side of said dielectric layer, and said first extension portion is attached to said first side, and said first side is located between said front radiating layer and said ground plane, and said second extension portion is located on a second side of said dielectric layer, and said second side is attached to said second side, and said second side is located between said front radiating layer and said ground plane.
4. The rectangular antenna of claim 3, wherein said first extension has a first cut and said second extension has a second cut.
5. The rectangular antenna of claim 4, wherein said third extension is located on a first side of said dielectric layer, and said third extension is attached to said first side, and said fourth extension is located on a second side of said dielectric layer, and said fourth extension is attached to said second side.
6. The rectangular antenna of claim 5, wherein a distance is provided between said first extension and said third extension, and a distance is provided between said second extension and said fourth extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236720.XU CN215771554U (en) | 2021-06-03 | 2021-06-03 | Rectangular antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236720.XU CN215771554U (en) | 2021-06-03 | 2021-06-03 | Rectangular antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215771554U true CN215771554U (en) | 2022-02-08 |
Family
ID=80099218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121236720.XU Active CN215771554U (en) | 2021-06-03 | 2021-06-03 | Rectangular antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215771554U (en) |
-
2021
- 2021-06-03 CN CN202121236720.XU patent/CN215771554U/en active Active
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