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multi-frequency antenna

A multi-frequency antenna and frequency band technology, which is applied to the antenna, the antenna grounding device, and the device that makes the antenna work in different frequency bands at the same time, which can solve the problem that the antenna cannot meet the requirements of more frequency bands.

Active Publication Date: 2019-05-17
FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the prior art, although the antenna can work in three frequency bands, the current LTE antenna has more frequency bands, and the antenna cannot meet the requirements of more frequency bands. Require

Method used

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Embodiment Construction

[0037] Such as Figure 1-3 As shown, the multi-frequency antenna 1 of the present invention includes a columnar outer shell 10, a circuit board 20 accommodated in the columnar outer shell 10, a coaxial connector 30 installed at one end of the columnar outer shell 10, and a connecting circuit board 20 with a coaxial cable 40 with a coaxial connector 30 .

[0038] Such as Figure 1-2 As shown, the outer casing 10 includes an upper casing 11 and a lower casing 12 matched with the upper casing 11 . The upper case 11 cooperates with the lower case 12 to form a receiving space 13 for accommodating the circuit board 20 .

[0039] Such as image 3 As shown, the circuit board 20 is provided with a signal feed-in point 21 , a ground feed-in point 22 , a first conductive sheet 23 and a second conductive sheet 24 on the same plane as the first conductive sheet 23 and arranged at intervals. The first conductive sheet 23 is electrically connected to the signal feed-in point 21 , and the...

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Abstract

The invention discloses a multi-band antenna, which comprises a column-shaped outer shell, a circuit board accommodated in the column-shaped outer shell, a coaxial connector arranged at one end of the column-shaped outer shell and a coaxial cable connecting the circuit board and the coaxial connector, wherein the circuit board is provided with a signal feed-in point and a grounding feed-in point; the coaxial cable comprises a central conductor electrically connected with the signal feed-in point and a grounding layer electrically connected with the grounding feed-in point; the circuit board comprises a first conductive sheet and a second conductive sheet, the second conductive sheet and the first conductive sheet are on the same plane and arranged at an interval, the first conductive sheet is connected with the signal feed-in point, the second conductive sheet is electrically connected with the grounding feed-in point, the first conductive sheet is provided with multiple radiation parts, and the second conductive sheet is provided with a grounding part corresponding to the radiation parts on the first conductive sheet and another radiation part.

Description

【Technical field】 [0001] The invention relates to a multi-frequency antenna, in particular to a multi-frequency antenna with an ultra-wide frequency band. 【Background technique】 [0002] Chinese Utility Model Patent No. CN2618391 published on May 26, 2004 discloses a tri-band antenna, which includes an insulating substrate, a first grounding part, a second grounding part, and a first grounding part that are oppositely arranged on the insulating substrate. The low-frequency part and the high-frequency part on the same plane and on the other side relative to the first ground part, the resonant cavity and a feeder formed between the first ground part and the high-frequency part. [0003] In the prior art, although the antenna can work in three frequency bands, the current LTE antenna has more frequency bands, and the antenna cannot meet the requirements of more frequency bands. 【Content of invention】 [0004] The technical problem to be solved by the present invention is to ...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/48H01Q5/28H01Q5/307
Inventor 刘海兵林长青曾俊杰简志明
Owner FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO LTD