Dual-frequency and dual-pole antenna
A technology of dipole antenna and feed-in line, applied in the direction of antenna, antenna coupling, antenna grounding device, etc., can solve the problem of poor isolation and achieve the effect of good isolation
Inactive Publication Date: 2014-03-26
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
Although there are multi-frequency antenna devices on the market to realize the functions of multiple antennas, although these antennas can achieve the effect of dual-frequency dipoles, their isolation is relatively poor, so it is necessary to provide a dual-frequency antenna with better isolation. frequency dipole antenna
Method used
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Embodiment Construction
[0014] Such as figure 1 Shown is a schematic diagram of a dual-frequency dipole antenna 1 in an embodiment of the present invention. The antenna 1 includes a first substrate 10 and a second substrate 20 . Such as figure 2 As shown, one surface of the first substrate 10 includes a first radiating portion 111 and a second radiating portion 112, the first radiating portion 111 is a metal patch with a regular shape, and the second radiating portion 112 is An annular metal patch having the same shape as the first radiating portion 111 . In this embodiment, the first radiating portion 111 and the second radiating portion 112 are square, and the width of the annular metal belt 113 formed between the first radiating portion 111 and the second radiating portion 112 is a certain value.
[0015] Such as image 3 and 4 As shown, the second substrate 20 includes a first surface 23 and a second surface 24 . The first surface 23 includes a ground 121 and at least two mutually symmetri...
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The invention provides a dual-frequency and dual-pole antenna which comprises a first substrate and a second substrate; a first radiation part and a second radiation part are arranged on one side of the first substrate; the first radiation part is a metal patch with a regular shape; the second radiation part is a ring-shaped metal patch of which the shape is identical to that of the first radiation part; the second substrate comprises a first surface and a second surface; the first surface comprises a ground and at least two grooves symmetrical to each other and arranged on the ground; the at least two grooves are metal layers without the ground; the symcenter of the at least two grooves is coincided with the center of the first radiation part; the first surface is opposite to one side, which is not provided with the first radiation part and the second radiation part, of the first substrate; the second surface comprises two micro-strip feed-in lines which are in two-way polarization and symmetrically crossed on the second surface, and the crossed parts are not contacted. Through the adoption of the dual-frequency and dual-pole, a relatively good isolation is achieved while the dual-frequency and dual-pole effect of the antenna is realized.
Description
technical field [0001] The invention relates to a dual-frequency dipole antenna, in particular a microstrip type dual-frequency dipole antenna. Background technique [0002] With more and more functions of electronic devices, one antenna can no longer meet people's wireless communication needs, and many electronic devices have multiple antennas to receive different wireless signals, such as WiFi, GSM and so on. Although there are multi-frequency antenna devices on the market to realize the functions of multiple antennas, although these antennas can achieve the effect of dual-frequency dipoles, their isolation is relatively poor, so it is necessary to provide a dual-frequency antenna with better isolation. frequency dipole antenna. Contents of the invention [0003] In view of this, it is necessary to provide a dual-band dipole antenna with smaller size and better isolation. [0004] The dual-frequency antenna includes a first substrate and a second substrate, and a prede...
Claims
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Login to View More IPC IPC(8): H01Q1/38H01Q1/48H01Q1/52H01Q13/08H01Q21/24H01Q21/30
Inventor 陈裕升陈祯祥廖嘉胤
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD